Microsoft 365 Copilot

by Microsoft Corporation

4.5 9M+ reviews
1.5B+ Installs
02/16/2020 Released
Microsoft 365 Copilot icon
Microsoft 365 Copilot icon
Productivity

Microsoft 365 Copilot

by Microsoft Corporation

4.5 9M+ reviews
1.5B+ Installs
02/16/2020 Released
Microsoft 365 Copilot screenshot 1
Microsoft 365 Copilot screenshot 2
Microsoft 365 Copilot screenshot 3
Microsoft 365 Copilot screenshot 4
Microsoft 365 Copilot screenshot 5

Ratings Breakdown

4.5 ★★★★★ 9M+ ratings
5 76%
4 12%
3 4%
2 1%
1 6%

Data from Google Play at the time of writing.

What This App Is Trying To Be

Microsoft 365 Copilot is Microsoft’s mobile hub for its AI assistant, folding in Word, Excel, PowerPoint, file search, and a chat-based Copilot into a single app. The pitch is that instead of juggling separate Office apps, you get one place to find files, ask questions about them, draft content, and manage projects with tools like Copilot Notebooks, Researcher, and Analyst. It’s aimed squarely at Microsoft 365 subscribers, whether that’s a work account tied to an organizational license or a personal Microsoft 365 subscription, who want quick access to their documents and some AI help on the go.

In practice, this is less a file manager with AI bolted on and more an AI chat app that happens to also hold your files, and that framing matters a lot for how satisfying it is to use.

Where It Actually Delivers

When it works, users genuinely like the cross-device syncing concept, one reviewer described it as ‘amazing when it works’ for keeping documents in sync across laptop, phone, and tablet. The natural-language features are also appreciated when they land correctly: asking Copilot to summarize a document, draft an email, or explain a concept is exactly the kind of task the app description promises, and for basic grammar and spelling help, at least one longtime user says it still performs well. The built-in agents like Researcher and Analyst, along with templates for images, posters, and banners, add capability beyond what the older Office app offered, giving power users more to do without leaving the app.

The File Access Problem Nobody Asked For

The most repeated complaint is that the app now defaults to opening a chat window instead of your files. One user called it ‘completely inaccessible and frustrating,’ explaining they just wanted their files, not a conversation with a robot, and had to dig through a ‘search’ tab to find documents at all. Others echo this directly: multiple reviews describe wanting to simply open a Word, Excel, or PowerPoint file and instead being prompted to upload it to Copilot and ‘ask from the file’ rather than just viewing it. For anyone who liked the straightforward Office 365 experience of opening, editing, and sharing files, this redesign feels like a step backward, not an upgrade.

Sync, Sign-In, and Basic Editing Still Break

Beyond the AI-first redesign, core functionality has real cracks. Several users report sync failures where updated documents simply won’t pull through to phone or tablet no matter how many times they force it, and one reviewer mentions losing information entirely when switching between devices despite autosave being on. Sign-in is another recurring headache, with a user stuck in a loop of ‘trying to sign you in from another app’ messages that made the app unusable at that moment. Perhaps most alarming for a productivity app: one reviewer reports losing the ability to create new Word, Excel, or PowerPoint documents from within the app after months of paying for a subscription, left only with image and infographic tools. A disabled clipboard and slow, sometimes indefinite loading circles when opening documents round out the frustrations, with one user noting the problem persisted on and off Wi-Fi.

Who Should Actually Install This

If your main goal is chatting with an AI assistant to draft content, summarize documents, or brainstorm using voice, this app does that job and gives you extras like Researcher and Analyst that basic Office apps don’t. But if you primarily want fast, no-friction access to your existing Word, Excel, and PDF files to view or edit on the go, the reviews suggest you’ll fight the interface to get there, and may run into sync issues, sign-in loops, or missing creation tools once you do.

Given how many complaints center on the same handful of issues, file access being buried, syncing breaking, and basic document creation disappearing, this app is best suited for users who are fully bought into the AI-assistant workflow and willing to route around its Office-app roots, rather than those who just want a lightweight, reliable mobile Office replacement.

Pros

  • Cross-device syncing works well when functioning
  • Useful natural-language chat for summarizing and drafting
  • Researcher and Analyst agents add real capability
  • Handy templates for images, posters, banners
  • Good grammar and spelling assistance

Cons

  • Defaults to chat instead of files
  • Frequent syncing and sign-in failures
  • Document creation tools sometimes disappear

What Real Users Say

Ellie Hoyt 1/5

“I absolutely despise how it automatically opens to the copilot chat every time. I'm using this app so that I can access my files on my phone, not to talk to some robot. Completely inaccessible and frustrating to use—and once I finally do figure out how to get to files, which is under "search" for some reason, it takes at…”

👍 4,468 found this helpful
Samantha Litton 3/5

“I use it to sync my work between my laptop, phone, and tablet. It is amazing when it works. However, I have begun having issues over the last year with the app on my phone and tablet not syncing updated work. No matter how many times you force a sync, it will not pull in any docs. (And yes, I…”

👍 2,464 found this helpful
Patricia Baxter 1/5

“Pain in the rear end. Try to sign in, and I get "Trying to sign you in from another app. Please try again later." I DON'T WANT to stay signed in. This inability to sign in easily frequently makes me use another app. I don't want every single document I view to be put in the cloud. But I also…”

👍 818 found this helpful

Reviews sourced from Google Play, selected by helpfulness at the time of writing.

App Info & Permissions

Developer Microsoft Corporation
Content rating Teen
Contains ads Yes
In-app purchases $0.49 - $199.99 per item
Installs 1.5B+
Released 02/16/2020
Price Free

Permissions this app requests

📷 Camera Take pictures and videos
👥 Contacts Find accounts on the device; read your contacts
📱 Device ID & call information Read phone status and identity
🪪 Identity Find accounts on the device; add or remove accounts
📍 Location Approximate location (network-based); precise location (GPS and network-based)
🎙️ Microphone Record audio
📞 Phone Read phone status and identity
🖼️ Photos/Media/Files Read the contents of your USB storage; modify or delete the contents of your USB storage
💾 Storage Read the contents of your USB storage; modify or delete the contents of your USB storage
📶 Wi-Fi connection information View Wi-Fi connections

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Frequently Asked Questions

1

What is Microsoft 365 Copilot?

It's Microsoft's mobile productivity app that combines an AI chat assistant with access to Word, Excel, PowerPoint, and PDF files. It lets you ask Copilot to draft, summarize, or analyze documents using natural language or voice, and includes tools like Copilot Notebooks, Researcher, and Analyst. It's designed for people already using Microsoft 365 who want AI help alongside their files on the go.

2

Is Microsoft 365 Copilot free to use?

The app itself is free to install, but many features depend on having a Microsoft 365 subscription tied to a work, school, or personal account. Some capabilities require specific licenses and may be restricted by an organization's administrator. Users have also reported losing access to certain document-creation tools even while actively paying for a subscription.

3

Can I still just open and edit my Word or Excel files normally?

This has become a common complaint, users report that opening a file now often prompts you to upload it to Copilot and 'ask' about it rather than simply viewing or editing it directly. Some longtime users say this AI-first redesign has made basic file access noticeably harder compared to the earlier Office 365 app. If straightforward file editing is your priority, expect some friction.

4

Does the app reliably sync documents across devices?

Not always. Multiple reviewers describe ongoing syncing problems where updated documents fail to appear on other devices even after repeated forced syncs. One user also reported losing document changes entirely between devices despite autosave being enabled. This seems to be an inconsistent but recurring issue rather than a one-off bug.

5

Who is this app best suited for?

It's best for Microsoft 365 users who want an AI assistant for drafting, summarizing, and researching, and who don't mind navigating around a chat-first interface to reach their files. If your priority is fast, reliable, no-frills access to view and edit existing documents, the file-access issues and sync bugs reported by users may make this a frustrating choice.