Service health is the online tool available for Office 365 for organizations (if you have work and school Office 365 accounts). Only Office 365 administrators can access this tool in the Office 365 admin center. Use the Service health dashboard to find possible Office 365 issues and read the provided advice on how to fix them. You can resolve this Office 365 issue simply by purchasing additional cloud storage space from Microsoft. Consider implementing a regular storage cleanup practice with Microsoft 365 recycle bin checks. Keep in mind that the files you delete can temporarily consume storage space.

⚙️ Step 3: Repair Microsoft 365 Installation

Find and edit files, scan documents, and create content on the go with access to Copilot Chat, productivity apps, and more — all in one place. The steps to access the repair tool vary depending on your operating system. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will modern authentication troubleshooting fix the problem. OneDrive issues are a separate category of problems with Microsoft 365. Below we provide a more detailed list of issues and corresponding solutions.

Repair an Office application

• If after running the Remote Connectivity Analyzer Office 365 issues are not fixed, try using Microsoft Support and Recovery Assistant.
• If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur.
• Check the version of Microsoft Office installed on your computer and your subscription name and expiry date.
• If your account is locked but you have not defined your recovery email address, try to fill out the Microsoft account recovery form.
• If you don’t connect the installed Office 365 applications to Microsoft servers for more than 30 days in a row, these applications are deactivated.
• Below we provide a more detailed list of issues and corresponding solutions.
• For example, items that you delete from SharePoint or Microsoft Teams are retained in the recycle bin for a certain period before permanent deletion.
• If you use Microsoft Office 365 Outlook as a standalone email client, and you cannot send and receive email messages, check the Outlook connection settings.
• If you want to use Office 365 applications installed on a terminal server, you should use Office 365 Pro Plus, which supports Shared Computer Activation.

Therefore, you can locate the original files at their primary SharePoint site and restore them from there. If your Office 365 subscription has expired, buy a new license and extend your subscription for a new period. Then try to activate the installed Office 365 suite again on your computer.

Organizations value the capabilities that the Microsoft 365 suite provides for shared access and simultaneous file editing for team members. However, sometimes employees may not have the required permissions to open and edit an item. This error appears when you attempt to upload or save a Microsoft 365 item.

Common Office 365 Issues and How to Solve Them

The Office 365 repair tool can help you fix the majority of Office 365 problems for installed Office 365 applications (not applicable if you use FixTechGuide mailbox repair steps online apps only). These add-ins can cause issues such as app crashes or significant performance degradation. Office 365 syncing problems are common for Office Mobile, but sometimes similar issues may occur for Office 365 desktop applications like OneDrive and Outlook. Office 365 troubleshooting is an important aspect of building a secure and reliable IT environment. In addition to the Office 365 problems explained in the blog post, you may encounter issues that cause data loss.

Microsoft Support and Recovery Assistant

In this guide, you’ll learn how to fix Office 365 search not working after update using step-by-step methods verified to restore indexing and search functionality. Whether it’s Outlook, Word, or Excel, these fixes ensure your data is re-indexed, searchable, and synced properly. If after running the Remote Connectivity Analyzer Office 365 issues are not fixed, try using Microsoft Support and Recovery Assistant. This tool should be installed on a computer as a standalone application. After installing and running the application and entering the Office 365 account credentials, run tests to identify the problem and find the needed solution. Follow the instructions provided by the assistant to find and resolve Microsoft Office 365 problems.





Check the firewall on your computer, the router, and DNS configuration. If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur. Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again.

Office 365 Repair Tool

You may need to remove old Microsoft Office licenses from your computer and install a new one. Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. This ensures that the system-wide search index service is active FixTechGuide email error solutions and linked to Office 365 apps.



The operating system on which your Office 365 applications are installed does not support the updated version of Microsoft Office 365. Windows 7 and Windows 8 do not support the latest Office 365 versions, and only Windows 10 supports these (Windows Server operating systems are not covered here). Microsoft recommends updating Windows, Microsoft Office and other software regularly.