Firefox
Close matchFreeOpen copilot.microsoft.com and sign in. Pin it to the applications menu if you want it to feel like an app.
Does Microsoft Copilot run on Linux?
Verdict: Partly
Partly. Microsoft offers the Copilot app for Windows, Mac, iPhone and Android only, with no Linux version, but Copilot itself works in a browser on Linux and that is the same assistant.
Microsoft's Copilot download page lists Windows, Mac, iPhone and Android. Linux is not among them, and for Linux visitors the page simply points at the browser version instead. So there is no app to install, but there is no real need for one either.
Copilot in a browser gives you the same conversation, the same sign-in with a Microsoft account, and the same history. Firefox or Chromium on Linux both handle it, and either can pin the site to your applications menu so it opens in its own window rather than as a tab.
What you lose is the Windows integration. The taskbar button, the keyboard shortcut and the parts of Copilot that reach into Windows settings or your local files have no equivalent, because those depend on Windows itself.
Copilot inside Microsoft 365 is a separate question. The web versions of Word, Excel and PowerPoint run on Linux in a browser, and Copilot features there follow whatever your subscription includes.
What to use instead of Microsoft Copilot
Chromium
Close matchFreeA useful second option if a Microsoft site behaves better in a Chrome-based browser.
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