What Is Microsoft 365 Premium? Features, Copilot and How It Works

Introduction

Microsoft 365 Premium is Microsoft’s most comprehensive consumer subscription for productivity, artificial intelligence, cloud storage and digital security. It combines familiar applications such as Word, Excel, PowerPoint and Outlook with expanded Microsoft Copilot capabilities and benefits that can be shared with up to five additional people.

The plan is designed for users who want more than a traditional Office package. Instead of buying a fixed version of Office for one computer, subscribers receive continuously updated applications, cloud-connected services, multi-device access and advanced AI tools under one recurring subscription.

However, Microsoft 365 Premium should not be confused with Microsoft 365 Business Premium. Microsoft 365 Premium is primarily intended for individuals, households, freelancers and advanced personal users. Microsoft 365 Business Premium is a separate business plan that includes organizational administration, identity management and enterprise security tools.

In this guide, we explain what Microsoft 365 Premium includes, how its subscription model works, how Copilot is integrated into the applications and whether the plan offers enough value for your needs.

Table of Contents

• What Is Microsoft 365 Premium?

• How Does Microsoft 365 Premium Work?

• Which Apps Are Included?

• Microsoft Copilot Features

• OneDrive Cloud Storage

• Security Features

• Devices and Compatibility

• Microsoft 365 Plan Comparison

• Microsoft 365 Premium vs Office 2024

• Who Should Use Microsoft 365 Premium?

• Frequently Asked Questions

• Conclusion

• Call to Action

What Is Microsoft 365 Premium?

Microsoft 365 Premium is a subscription that brings together Microsoft’s desktop productivity applications, online services, OneDrive cloud storage, Microsoft Defender and the most extensive consumer-level access to Microsoft Copilot features.

It can be used by one subscription owner and shared with up to five additional people. Each person receives a separate Microsoft account experience, their own applications and their own allocation of OneDrive storage.

The subscription owner receives the plan’s advanced AI benefits. Although the standard productivity, storage and sharing benefits can be distributed among the other members, Microsoft’s Premium Copilot features are not shared with every participant.

Microsoft 365 Premium at a Glance

• Designed for one to six people

• Works across Windows, macOS, iOS and Android

• Allows each person to sign in on up to five devices simultaneously

• Provides up to 6 TB of OneDrive storage in total

• Includes 1 TB of storage for each participating person

• Includes desktop and mobile Microsoft 365 applications

• Provides extensive Microsoft Copilot usage for the subscription owner

• Includes Microsoft Defender and additional security benefits

• Receives continuous feature and security updates

• Requires an active recurring subscription

Important: Microsoft 365 Premium is a subscription rather than a lifetime Office license. Access to premium applications and services depends on keeping the subscription active.

How Does Microsoft 365 Premium Work?

Microsoft 365 Premium is linked to a Microsoft account rather than permanently tied to one installation. The subscription owner activates the plan using a Microsoft account, installs the applications and manages devices, storage and sharing from the account dashboard.

Because the entitlement is account-based, users can install supported applications on multiple devices. Each participating person can install the apps on their computers and mobile devices and remain signed in on up to five devices at the same time.

1. Subscription Activation

The subscription is associated with the Microsoft account used during activation or redemption. This account becomes the subscription owner and controls billing, subscription sharing and the advanced AI benefits.

The owner should use an account that will remain accessible throughout the subscription period. Losing access to that account may make it more difficult to manage installations or invite other people.

2. Application Installation

After activation, the user signs in to Microsoft 365 and downloads the installation package for the appropriate operating system. The desktop applications are installed locally, allowing Word, Excel and PowerPoint to be used even when an internet connection is temporarily unavailable.

An internet connection is still required for the initial download, activation, account management, online collaboration, cloud synchronization and periodic license verification.

3. Account-Based Access

Users sign in to the Microsoft 365 applications with the Microsoft account connected to the subscription. The account confirms that the user is entitled to premium features and connects the applications to OneDrive, Outlook and Copilot.

The same account can be used across supported computers, tablets and smartphones, making it easier to move between devices without manually transferring every file.

4. Automatic Updates

Unlike a fixed version such as Office 2024, Microsoft 365 applications receive new functions as Microsoft releases them. Security updates, bug fixes, interface improvements and eligible Copilot features are delivered during the active subscription.

This makes the plan suitable for users who prefer to work with the newest supported versions instead of purchasing a new Office edition every few years.

5. Renewal and Expiration

Microsoft 365 Premium must be renewed according to the purchased subscription term. When the subscription expires, access to premium services and full editing functionality may eventually become restricted.

Documents do not disappear simply because the subscription ends. Users retain ownership of their files, but they may need to renew the subscription or use another compatible application to continue editing them with full desktop functionality.

Which Apps Are Included in Microsoft 365 Premium?

The plan includes Microsoft’s main productivity and communication applications. Availability and specific features can vary depending on the device, operating system, language and region.

Microsoft Word

Word is used to create reports, letters, contracts, assignments, résumés and other documents. With Copilot access, the subscription owner can generate drafts, rewrite passages, summarize long content and request structural improvements without leaving the application.

Microsoft Excel

Excel provides tools for calculations, budgets, charts, business data and advanced analysis. Copilot can help explain datasets, recommend formulas, identify trends and turn information into summaries or visualizations.

Some cloud-based Excel AI features require the workbook to be saved to OneDrive with AutoSave enabled.

Microsoft PowerPoint

PowerPoint can be used to create presentations for work, education and personal projects. Copilot may help transform a prompt or source document into a presentation, rewrite slide content and suggest ways to organize information.

Microsoft Outlook

Outlook brings email, contacts and calendars into one application. AI-assisted features can summarize long email threads, create draft replies and help users communicate more efficiently.

Microsoft OneNote

OneNote provides a flexible digital notebook for research, meeting notes, study materials and personal organization. Notes can be synchronized across devices and incorporated into wider Microsoft 365 workflows.

Microsoft OneDrive

OneDrive provides cloud storage for documents, photos, videos and other files. Files can be synchronized across devices, shared with other people and accessed through a browser when the user is away from their main computer.

Microsoft Teams

Teams supports video calls, chats, meetings and collaborative communication. The consumer subscription includes extended calling features and Copilot-supported experiences where available.

Microsoft Defender

Microsoft Defender helps users monitor the security of their supported computers and mobile devices. It complements built-in operating-system protections with centralized alerts and security guidance.

Microsoft Access

Microsoft Access is also available on compatible Windows PCs. It is a database application used to create structured data-management tools, forms, queries and reports. Access is not available as a native macOS desktop application.

How Does Copilot Work in Microsoft 365 Premium?

Copilot is Microsoft’s AI assistant. Within Microsoft 365 Premium, it is integrated into supported productivity applications and the Microsoft 365 Copilot experience, allowing the subscription owner to create, summarize, analyze and transform content.

The Premium plan provides more extensive usage than lower consumer plans and offers access to selected advanced features that Microsoft reserves for Premium subscribers.

Copilot in Word

In Word, Copilot can help create a first draft from a short instruction, summarize an existing document, rewrite content in another tone or restructure information into sections and lists.

For example, a user can ask Copilot to turn meeting notes into a project update or convert a technical explanation into a shorter customer-facing document.

Copilot in Excel

Copilot can assist with data analysis by explaining tables, highlighting patterns, suggesting formulas and creating visual summaries. It can be particularly useful for users who understand their business data but do not know every advanced Excel formula.

Users should still review AI-generated calculations and interpretations, especially when working with financial, legal or operationally important data.

Copilot in PowerPoint

Copilot can generate an initial slide deck from a prompt or supported document. It can also shorten text, reorganize slides, create speaker notes and help maintain a consistent structure throughout a presentation.

Copilot in Outlook

In Outlook, Copilot can summarize conversations, identify action points and produce draft responses. This can reduce the time spent reading long email threads or repeatedly writing similar messages.

Researcher and Analyst Agents

Microsoft 365 Premium includes access to advanced AI agents where available. Researcher is designed to handle multi-step research tasks and produce structured, source-supported reports. Analyst focuses on understanding data and generating useful analysis and visualizations.

Feature availability can change as Microsoft develops the service, and usage limits still apply even on the Premium plan.

AI Image Creation and Editing

The subscription owner receives extensive access to eligible AI image-generation features. These tools can help create visual concepts, presentation assets, social media graphics and edited images from natural-language instructions.

Important Copilot Limitations

• Premium AI benefits are primarily available to the subscription owner.

• AI benefits cannot generally be distributed among all six participants.

• Usage limits still apply.

• Minimum age restrictions may apply.

• Features can vary by application, platform, language and region.

• Some features require files to be stored in OneDrive.

• AI-generated content should be checked for accuracy.

How Much Cloud Storage Does Microsoft 365 Premium Include?

Microsoft 365 Premium provides up to 6 TB of OneDrive cloud storage when the plan is shared with six people. The storage is divided into individual 1 TB allocations rather than placed in one shared 6 TB account.

For example, the subscription owner receives 1 TB. When five additional people join the subscription, each receives a separate 1 TB allocation connected to their own Microsoft account.

Is Each Person’s Storage Private?

Yes. Sharing a subscription does not automatically give the subscription owner access to every participant’s files. Each person controls their own OneDrive account and decides which files or folders to share.

This makes the plan useful for households in which several people need Microsoft 365 but want to keep their personal documents separate.

Benefits of OneDrive Storage

• Access files from multiple devices

• Automatically synchronize selected folders

• Share files through secure links

• Collaborate on Word, Excel and PowerPoint files

• Restore earlier file versions

• Back up important photos and documents

• Continue working when changing computers

What Security Features Are Included?

Microsoft 365 Premium combines productivity applications with security and privacy tools intended to help protect personal data, email, cloud files and supported devices.

Microsoft Defender

Microsoft Defender provides a centralized view of security alerts across supported devices. It can help users identify threats, monitor protection status and receive recommendations for improving security.

OneDrive File Protection

OneDrive provides cloud-based backup, file recovery and version history features. These functions can be valuable when a document is accidentally modified, deleted or affected by a device failure.

Cloud storage should still be used as part of a broader backup strategy. Important files should not rely on only one physical device or one storage location.

Outlook Security Benefits

Microsoft 365 subscribers receive an ad-free Outlook experience and enhanced email-related protections. Exact mailbox and security benefits may depend on the account configuration and regional availability.

Personal Data and AI

Users should understand which account is active when using Copilot and which files the assistant is allowed to access. Sensitive, confidential or regulated data should be handled according to the relevant privacy and organizational policies.

Microsoft 365 Premium is a consumer product and should not automatically be treated as a replacement for a company-managed Microsoft 365 environment.

How Many Devices Can Use Microsoft 365 Premium?

Microsoft 365 Premium supports PCs, Macs, tablets and smartphones. Each participating person can install the applications on multiple compatible devices and remain signed in on up to five devices simultaneously.

With six people using the plan, that can represent a large number of active devices across the household. However, the limit applies separately to each person’s Microsoft account.

Supported Platforms

• Windows PCs

• Mac computers

• iPhones

• iPads

• Android smartphones

• Android tablets

• Web browsers through Microsoft 365 online services

Are the Apps Identical on Windows and Mac?

No. The main applications are available on both platforms, but certain functions differ between Windows and macOS. Microsoft Access, for example, is available on Windows but not as a native Mac desktop application.

Some Copilot and security features may also arrive on one platform before another. Users should therefore check compatibility when a particular feature is essential to their workflow.

Microsoft 365 Premium vs Personal vs Family

Microsoft offers several consumer Microsoft 365 plans. Premium provides the widest AI access, but Personal or Family may be sufficient for users who mainly need Office applications and cloud storage.

Feature	Microsoft 365 Personal	Microsoft 365 Family	Microsoft 365 Premium
Number of people	1	Up to 6	Up to 6
Cloud storage	1 TB	Up to 6 TB, 1 TB per person	Up to 6 TB, 1 TB per person
Desktop Office applications	Included	Included	Included
Devices	Up to 5 signed-in devices at once	Up to 5 per person	Up to 5 per person
Copilot access	Higher usage than free access	Higher usage for the owner	Extensive usage for the owner
Premium-exclusive AI features	No	No	Yes, where available
Best for	One general user	Households prioritizing apps and storage	Advanced AI and productivity users

Choose Microsoft 365 Personal If

• Only one person needs the subscription.

• You need the Office applications and 1 TB of storage.

• You do not need the highest Copilot usage limits.

Choose Microsoft 365 Family If

• Several people need the Office applications.

• Each person needs a separate 1 TB storage allocation.

• Advanced Premium-exclusive AI features are not essential.

Choose Microsoft 365 Premium If

• You regularly use AI to write, analyze, research or create images.

• You want access to Microsoft’s most extensive consumer Copilot offering.

• You want Office applications and storage for up to six people.

• The subscription owner will use the advanced AI benefits frequently.

Explore the available options in the Microsoft 365 licenses collection to compare plans based on users, storage, applications and subscription type.

Microsoft 365 Premium vs Office 2024

Microsoft 365 Premium and Office 2024 both provide familiar Office applications, but they use very different licensing models.

Feature	Microsoft 365 Premium	Office 2024
Payment model	Recurring subscription	One-time purchase
License duration	Active while subscription is maintained	Perpetual for the purchased version
Feature updates	Continuous	No upgrade to future major editions
Cloud storage	Up to 6 TB	Not normally included
Copilot	Integrated, with extensive owner usage	Not included as the same Premium subscription service
Users	Up to 6	Usually licensed for one user or device, depending on edition
Best for	Cloud, AI and multi-device users	Users who prefer a fixed one-time purchase

Microsoft 365 Premium is generally the better choice for users who want Copilot, cloud storage, multi-device flexibility and ongoing feature updates. Office 2024 is better suited to users who prefer to pay once and continue using a fixed set of applications without maintaining a subscription.

Who Should Use Microsoft 365 Premium?

The plan offers the greatest value when its AI, storage and multi-user benefits are used regularly. It may be excessive for someone who only writes an occasional document on one computer.

Families and Households

A household can share the productivity and cloud-storage benefits among six separate Microsoft accounts. Each person keeps control of their own files while using the applications on their preferred devices.

The limitation is that advanced Copilot access belongs to the subscription owner rather than every household member.

Freelancers and Content Creators

Freelancers can use Word for proposals, Excel for budgeting, PowerPoint for presentations, Outlook for communication and OneDrive for accessing files from different locations.

Copilot can accelerate drafting, editing, research and visual content generation, although all AI output should be reviewed before being sent to clients or published.

Students and Researchers

Students can use the applications for assignments, presentations, data analysis and note-taking. Researcher and Copilot summarization features can help organize complex information, but academic sources should always be checked independently.

Students should also check whether their school already provides Microsoft 365 Education before purchasing a personal plan.

Advanced Personal Users

Users managing household finances, personal projects, large photo libraries or extensive documents may benefit from the combination of Office applications, cloud backup and AI-assisted workflows.

Small-Business Considerations

A freelancer or sole trader may use Microsoft 365 Premium for individual productivity. However, organizations that need centrally managed business email, employee accounts, device management, compliance controls or administrative security should evaluate a dedicated Microsoft 365 business plan instead.

Advantages and Disadvantages of Microsoft 365 Premium

Main Advantages

• Combines productivity, AI, storage and security in one plan

• Supports up to six separate users

• Provides up to 6 TB of total OneDrive storage

• Works across computers, tablets and smartphones

• Includes continuously updated Microsoft 365 applications

• Offers extensive Copilot usage for the subscription owner

• Includes advanced AI agents and image tools where available

• Supports real-time cloud collaboration

Possible Disadvantages

• Requires ongoing subscription payments

• Advanced AI features cannot normally be shared with all six users

• Some features depend on OneDrive and an internet connection

• AI and application features vary by platform and region

• The highest plan may be unnecessary for basic Office tasks

• AI-generated content still requires human verification

How to Set Up Microsoft 365 Premium

Step 1: Activate the Subscription

Follow the activation or redemption instructions provided with the subscription. Sign in with the Microsoft account that you want to use as the subscription owner.

Step 2: Open the Microsoft Account Dashboard

After activation, open the Microsoft 365 account area and confirm that Microsoft 365 Premium appears as an active subscription.

Step 3: Download the Applications

Select the option to install Microsoft 365 applications. Download the correct installer for your Windows PC or Mac and follow the on-screen installation steps.

Step 4: Sign In to the Applications

Open Word, Excel or another included application and sign in using the Microsoft account associated with the subscription. The application should detect the active entitlement automatically.

Step 5: Configure OneDrive

Sign in to OneDrive and select which folders should synchronize. Review the backup options before automatically uploading Desktop, Documents or Pictures folders.

Step 6: Share the Subscription

The subscription owner can invite up to five other people. Each invited person should accept the invitation using their own Microsoft account so that they receive an independent storage allocation and installation access.

Step 7: Set Up Microsoft Defender

Open Microsoft Defender on supported devices and sign in with the relevant Microsoft account. Review the protection dashboard and resolve any warnings.

Step 8: Test Copilot

Update the Microsoft 365 applications, restart them if necessary and look for the Copilot controls. Begin with a low-risk task, such as summarizing a non-confidential document or improving the wording of a draft.

What Should You Check Before Buying?

• Confirm that your device uses a supported operating system.

• Check whether you need one user or up to six users.

• Decide whether advanced Copilot access is worth the additional cost.

• Remember that AI benefits are primarily for the subscription owner.

• Confirm the subscription duration and renewal conditions.

• Use a Microsoft account that you can access permanently.

• Check whether your employer or school already provides Microsoft 365.

• Do not confuse Microsoft 365 Premium with Microsoft 365 Business Premium.

Frequently Asked Questions

Is Microsoft 365 Premium a Lifetime License?

No. Microsoft 365 Premium is a subscription. The applications and premium services remain fully available while the subscription is active. Users who prefer a one-time purchase should compare it with an eligible Office 2024 edition.

How Many People Can Use Microsoft 365 Premium?

The subscription can be used by one to six people. The owner can invite up to five additional participants, and each person uses their own Microsoft account.

How Many Devices Can Each Person Use?

Each person can install Microsoft 365 on their compatible devices and remain signed in on up to five devices at the same time.

Does Every User Receive 1 TB of Storage?

Yes. Each person added to the subscription receives a separate 1 TB OneDrive allocation. With six participants, the plan provides up to 6 TB in total.

Can Copilot Premium Features Be Shared With Everyone?

No. The advanced AI benefits are generally reserved for the subscription owner. Other members can share the applications and storage benefits, but they do not automatically receive the owner’s extensive Premium Copilot access.

Can Microsoft 365 Premium Be Used Offline?

The installed desktop applications can be used offline for normal document work. An internet connection is required for installation, activation, online services, cloud synchronization, updates and periodic subscription verification.

Is Microsoft 365 Premium the Same as Microsoft 365 Business Premium?

No. Microsoft 365 Premium is a consumer plan centered on personal productivity, cloud storage and Copilot. Microsoft 365 Business Premium is an organizational plan with business email, user administration, device management and enterprise security services.

What Happens to My Files When the Subscription Expires?

Your locally stored documents remain your files. Files saved in OneDrive are not immediately erased, but storage and editing restrictions may apply after expiration. You should download or back up important files and review Microsoft’s current storage policies before ending the subscription.

Conclusion

Microsoft 365 Premium is an all-in-one subscription for users who want Microsoft’s productivity applications, substantial cloud storage, multi-device access, digital security and the company’s most extensive consumer Copilot experience.

Its greatest strengths are the combination of up to six user accounts, up to 6 TB of OneDrive storage and advanced AI tools for the subscription owner. It can be particularly valuable for active Copilot users, freelancers, creators and households that already depend on Microsoft applications.

It is not automatically the best option for everyone. Microsoft 365 Personal may be more economical for one general user, while Microsoft 365 Family may provide sufficient value for households that do not need Premium-exclusive AI functions. Office 2024 may be preferable for users who want a fixed one-time purchase.

The right choice therefore depends on how many people need the applications, how much cloud storage is required and how frequently the subscription owner will use Copilot’s advanced features.