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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How to fix Office 365 issues related to synchronization

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.

Tools that can help you fix Office 365 issues

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. Service health is the online tool available for Office 365 for organizations (if you have work and school Office 365 accounts).

Office 365 issues: #5 -Update Issues

• If you encounter an issue in Office 365 that can only be fixed by the vendor, Microsoft usually releases an update to resolve any known issues as soon as possible.
• If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked.
• OneDrive issues are a separate category of problems with Microsoft 365.
• Make sure that network access to the Microsoft servers is not blocked.
• You may need to remove old Microsoft Office licenses from your computer and install a new one.
• 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).

Synchronization Office 365 issues mostly happen to Office Mobile Outlook Not Sending or Receiving Email apps. When you want to continue the work you did on the desktop, and the file is available there. Yet if this didn’t work it means that the same file you worked on another device didn’t make it to OneDrive as it should. It is a sign that this other device isn’t connected to the OneDrive correctly, or a simpler problem, isn’t connected to the internet.

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.



Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing. In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime. Our licensing engineers can help triage complex problems and ensure you're on the right support path.

? Step 1: Verify Windows Search Service Is Running

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 Exchange connectivity diagnostic 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.



Below we provide a more resolve Outlook not sending emails fast 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.