Many issues that you may face day-to-day can be fixed on the client side. 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. When we are working with third-party software we might encounter some problems – it’s obvious and normal. Office 365 is currently the most popular SaaS (Software-as-a-Service) platform for productivity but even with its scale some Office 365 issues might occur. 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.

Office 365 Troubleshooting Issues: Common Problems and How to Solve Them

Let’s find out what you can do if updates are not installed automatically, and what factors can cause update issues. Office 365 syncing problems are common for Office Mobile, but sometimes similar issues may occur for Office 365 desktop applications like OneDrive and Outlook. You may encounter issues when using any application, and Office 365 is no exception. Not all issues are caused by bugs left unpatched by the software vendor or by third-party applications like the recent Crowdstrike incident that caused a global O365 outage.

Domain Verification Issues

Issues can also arise from incorrect account permissions, which can affect access to various Office 365 features. Domain verification issues can also prevent the normal use of the Microsoft Office 365 suite. You can unintentionally send an important Microsoft 365 item to the recycle bin, especially if you have too many files on your device’s hard drive. Still, the files you send to the recycle bin are not permanently removed. Installing Office 365 updates can fail for different reasons, and some of them are listed below. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature.

• If you tried to enter your credentials, and it failed, even when you checked if every letter of it is correct.
• The serious problem occurs when we talk about any external threats like malware or ransomware that are not so easy to prevent and mitigate.
• 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 online apps only).
• To avoid data loss when using cloud applications, perform Office 365 data backup.
• They are not merely inconvenient and slow down work but can also lead to critical data loss.
• These can include missing files, ghost icons, or documents that do not update in real-time.
• In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime.

Repair Outlook OST File Not Working in Office 365 – Complete Fix (

For advanced troubleshooting, FixTechGuide offers remote support to restore performance and indexing accuracy for Outlook and other Office apps. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. 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.



Microsoft Office 365 is currently the most popular suite for productivity applications – thus it is important to mention the most common Office 365 issues. Microsoft 365 offers the most reliable solutions for flush DNS and re-sync Outlook improving team productivity, storage, and communication. But it doesn’t mean it’s impossible for some Office 365 issues to occur. The important thing here to remember is that not all problems are caused by bugs or inappropriate coding on the vendor site. The more probable option is that the Office 365 issue occurs, and can be fixed on the client-side. Office 365 troubleshooting is an important aspect of building a secure and reliable IT environment.

Office 365 Repair Tool

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. Download and run the official Microsoft Support and Recovery Assistant (SaRA). It automatically diagnoses and repairs many Office 365 problems — including search indexing and sync issues. 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 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 Service Health is an online tool, available for organizations, accessible only by administrators, in Office 365 Admin Center.



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 Troubleshoot Office 365 Sync and Login Issues 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. Synchronization Office 365 issues mostly happen to Office Mobile apps.



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. 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 how to fix Outlook not opening today 8 do not support the latest Office 365 versions, and only Windows 10 supports these (Windows Server operating systems are not covered here).