How to open MS Office files in Office web/Microsoft 365 by default on Chrome OS?


Well-known member
Feb 4, 2018
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Is there a way to open Microsoft Office files (.docx, .xlsx, etc.) in the Office/MS365 web app ( by default on ChromeOS?

Microsoft does have an official extension for that but it seems to either require a paid subscription to Microsoft 365 or an enterprise MS365 account. Is there some kind of unofficial extension or way to do this without a subscription?

Google's office extension has some compatibility issues. For example, some pictures aren't shown in Excel files and Word file formatting gets broken in some cases.