What Is the Word Web App and How Do You Use Word for Free in a Browser?

The Word Web App is the browser version of Microsoft Word, part of Microsoft 365 (formerly Office 365). With a Microsoft account, you can use Word, Excel, and PowerPoint in your browser for free. You get core writing and editing tools, autosave to OneDrive, and real-time collaboration. Desktop apps, more storage, and additional premium features require a Microsoft 365 plan.

What the Word Web App includes

Microsoft describes the web apps as a way to "draft smarter and finish faster" in Word, alongside browser versions of Excel, PowerPoint, and Outlook. In practice, the free browser edition covers the everyday writing workflow:

• Creating and editing documents in the browser
• Autosave and cloud storage through OneDrive
• Sharing a document and co-editing with others in real time
• Opening and lightly editing files created in desktop Word

The web app is one of several entry points into Microsoft 365. The same account also gives you Copilot Chat for drafting help, summarizing, and finding files, plus a /apps shortcut to jump between Word, Excel, PowerPoint, and other apps.

How to open and use Word in your browser

1. Sign in with a Microsoft account. Go to the Microsoft 365 site and sign in. If you don't have an account, create one — the free browser use of Word, Excel, and PowerPoint is tied to having a Microsoft account.
2. Open Word. From the app launcher, choose Word (or type /apps to see the full app list). This opens the Word Web App in your browser.
3. Start a document. Create a blank document or open an existing file stored in OneDrive. New documents save to OneDrive automatically.
4. Write and format. Use the ribbon for text formatting, styles, lists, and inserting images or tables. Changes save as you type.
5. Share and collaborate. Use the share option to invite others. Co-authors can edit the same document in the browser at the same time, and you'll see their changes appear live.
6. Verify your work is saved. Check the save status in the document title bar; it should show the file is saved to OneDrive. Reopen the file from OneDrive to confirm the latest version.

Free browser use vs. a Microsoft 365 plan

The dividing line is clear: if you only need to write, format, and collaborate on documents in a browser, the free web app is enough. If you need the installed desktop application, more storage, or premium features, you'll need a paid plan. Current prices and plan details are listed on Microsoft's plan comparison page, so check there before deciding.

Common snags and how to handle them

• Can't find Word after signing in. Use the /apps entry point to open the Microsoft 365 app list, then select Word.
• Edits aren't saving. Confirm the document is stored in OneDrive and that you're signed in with the same account. Browser storage or connection issues can interrupt autosave; reload and check the save status.
• A feature seems missing. Some advanced formatting and desktop-only tools aren't available in the browser edition. If you rely on them, that's a signal you need the desktop app through a Microsoft 365 plan.
• Collaboration isn't updating. Make sure sharing permissions are set for the people you invited, and refresh the page to resync live changes.

For most casual writing and team drafting, the Word Web App covers the job with nothing to install. Move to a paid plan only when desktop features, storage, or premium tools become part of your daily work.