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

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.

Tools That Can Help

• 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.
• Good practice to avoid having Office 365 issues with signing in, is to have a recovery email.
• 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).
• This restores missing or corrupted Office components that affect search indexing.
• Microsoft Office 365 is currently the most popular suite for productivity applications – thus it is important to mention the most common Office 365 issues.
• 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.
• You can try to repair Office by using the appropriate built-in tool.
• Keep in mind that the files you delete can temporarily consume storage space.

Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature. If you have forgotten your password for the Office 365 account, try to recover Repair Outlook Profile Online or reset the password. Use the NAKIVO solution to back up Microsoft 365 data in Exchange Online, Teams, OneDrive and SharePoint Online for uninterrupted workflows and zero downtime. When you fill out that form, there are few things you can do to improve your chances of recovery of that account. Important thing to remember is that you will be able to change your password by yourself if the administrator in your organization allows users to change their passwords. If not, the password reset page provides you with a possibility to contact your administrator.

Fix Outlook Stuck on Synchronizing Subscribed Folders (2025 Guide)

There are few things that can happen to Outlook Outlook Not Sending or Receiving Email on the client side. 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 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.

Fix Tech Issues Fast

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 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.

Tools that can help you fix Office 365 issues

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. Synchronization Office 365 issues mostly happen to Office Mobile apps. When you want to continue the work you did on the desktop, and the file is available there.

Office 365 troubleshooting is an important aspect of building a secure and reliable IT environment. In addition to the Office 365 Outlook sync help from FixTechGuide 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).

How to Troubleshoot Common Microsoft 365 Problems and Issues

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 after running the Remote Connectivity Analyzer Office 365 issues are not fixed, try using Microsoft Support and Recovery Assistant.

Domain Verification Issues

Microsoft 365 is a robust platform, but when problems arise, fast resolution is key to productivity. From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly. While M365 is highly stable, it’s not immune to occasional disruptions. Microsoft recommends updating Windows, Microsoft Office and other software regularly. Microsoft updates are released on a regular basis and allow you to protect software against known threats, fix bugs, and so on.