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These can include missing files, ghost icons, or documents that do not update in real-time. Check the version of Microsoft Office installed on your computer and your subscription name and expiry date. Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated. 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. Once a connection is established to Microsoft licensing servers, the license is renewed.
As the name of this tool suggests, Remote Connectivity Analyzer can identify Office 365 issues with connectivity. From Outlook desynchronisation to problems with OneDrive connection. The tool can help you detect issues by running tests for many features. When you encounter Office 365 issues with Outlook online, this app turns out almost completely useless. There are few things that can happen to Outlook on the client side.
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Those mentioned in this article are only the tip of the iceberg and related to software itself. The serious problem occurs when we talk about any external threats like malware or ransomware that are not so easy to prevent and mitigate. Xopero ONE Backup and Recovery for Microsoft 365 ensures you with data protection, security, and business continuity.
How to fix Office 365 issues related to synchronization

As passwords are sensitive to small changes, you shouldn’t copy your passwords from anywhere (like textfiles, skype’s conversations), instead try to enter it manually. In this article I will walk you through some of the most common Office 365 issues, and how you can fix them. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Microsoft offers several built-in tools to help identify and resolve persistent issues. This ensures that the system-wide search index service is active and linked to Office 365 apps. Organizations value the capabilities that the Microsoft 365 suite provides for shared access and simultaneous file editing for team members.
Tools that can help you fix Office 365 issues

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. These add-ins can cause issues such as app crashes or significant performance degradation.
Office 365 issues: #5 -Update Issues
- Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems.
- The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration.
- Use the Service health dashboard to find possible Office 365 issues and read the provided advice on how to fix them.
- In this case, consider using safe mode, which is useful for Office 365 troubleshooting.
- Microsoft updates are released on a regular basis and allow you to protect software against known threats, fix bugs, and so on.
- NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments.
Editing file permissions and providing users with appropriate clear Outlook credentials manager access is a simple way to solve such Microsoft 365 problems. An internet connection is not available or a firewall is blocking network connections. 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. You may need to remove old Microsoft Office licenses from your computer and install a new one. This tool is a standalone application, you can install on your computer.
To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without them. Reboot your system and try to launch your Outlook app after to check if the synchronization issues are solved. If you tried to enter your credentials, and it failed, even when you checked if every letter of it is correct. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
Office 365 issues: #3 – Sync Problems in Office apps
When it’s a problem with an internet connection, check your wi-fi or ethernet connection, and contact the internet provided if required. Some of them allow users to get updates before the main release while others provide updates at a later time. The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration. All you need to do is log in to your OneDrive account on the web browser, and drag the files you want to the documents folder.
Outlook and Office 365 sync issues can be frustrating but are almost always fixable. Start with basic network checks, enable Cached Exchange Mode, and repair your data files if needed. For persistent problems, rebuild your Outlook profile or use FixTechGuide’s free clear Outlook credentials manager diagnostic tools to automate detection of authentication and IMAP errors in seconds. When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.
Step 7 – Disable Faulty Add-ins
Below we provide a more Outlook Not Sending or Receiving Email detailed list of issues and corresponding solutions. Open the required file, hit Share and then check the list of users that you can give the rights to edit a file. You can set access permissions for the entire organization or invite only the users you specify.