If Office 365 isn’t working on Windows 10, try restarting the system and ensuring that all updates for Office and Windows are installed. You can also try disabling any third-party antivirus software, as it may be blocking Office 365 from functioning properly. If the issue persists, consider repairing or reinstalling Office 365. However, the problem may also be related to corrupted Outlook data files.

If your Outlook PST files are damaged, this could be the cause of the issue on your system. You can easily repair corrupted PST files using the PST Recovery Tool in just a few simple steps. Open the tool, select the corrupted PST file by clicking "Open," and choose the appropriate recovery options. Afterward, click "OK" to begin the repair, and the tool will restore the file within a few minutes.

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