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

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. It indicates that you have reached the storage limit specified by your subscription plan. For example, items that you delete from SharePoint or Microsoft Teams are retained in the recycle bin for a certain period before permanent deletion. Therefore, you can locate the original files at their primary SharePoint site and restore them from there. File and storage issues with Microsoft Office 365 are more serious than other issues.

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.
• They are not merely inconvenient and slow down work but can also lead to critical data loss.
• Open the required file, hit Share and then check the list of users that you can give the rights to edit a file.
• In this case, consider using safe mode, which is useful for Office 365 troubleshooting.
• NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments.

Synchronization Office 365 issues mostly happen to Office Mobile Fix Outlook and Office 365 Errors 2025 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.

Our Account Managers and Distribution Team fulfills orders quickly and efficiently, giving our customers digital downloads in record time so they can move on to their next big project. Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems. This restores missing or corrupted Office components that affect search indexing. To avoid data loss when using cloud applications, perform Office 365 data backup. NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments. Download the software and configure data backup in your environment.

Office 365 issues: #3 – Sync Problems in Office apps

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.



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 Outlook Stuck on Synchronizing Folders 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.



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). Check POP3 and SMTP settings for connecting to Microsoft mail servers (addresses of servers, ports, encryption, authentication). Always define a recovery email address when configuring your Office 365 account. If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked. If your account is locked but you have not defined your Outlook stuck updating folders solution recovery email address, try to fill out the Microsoft account recovery form.