An internet connection is not available or a firewall is blocking network connections. Check POP3 and SMTP settings for connecting to Microsoft mail servers (addresses of servers, ports, encryption, authentication). If you have forgotten your password for the Office 365 account, try to recover or reset the password. If your Office 365 subscription has expired, buy a new license and extend your subscription for a new period. For tailored solutions and expert guidance on Microsoft 365 licensing, contact Trusted Tech today and ensure your organization gets the most out of its investment.

Microsoft 365 troubleshooting for admins and IT professionals

• 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.
• At Abacus, we’ll help equip your enterprise with the most efficient tools and software so you can smoothly run your business.
• 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.
• Only Office 365 administrators can access this tool in the Office 365 admin center.
• Let our expert engineers and support staff guide you in securing and preparing your business operations.
• Organizations value the capabilities that the Microsoft 365 suite provides for shared access and simultaneous file editing for team members.
• Comprehensive repair solutions for Office apps—both Quick Repair and Online Repair to ensure minimal downtime.

In this case, consider using safe mode, which is useful for Office 365 troubleshooting. Make sure that you have entered the correct Office 365 username and password. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature. To comply with the Transparency in Coverage Rule, click here to view our health plan's machine-readable files containing negotiated rates and historical payments.

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. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. This is one of the most frustrating issues with Microsoft Office, often caused by update failures, corrupted files, or compatibility problems. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close the app and continue working.

Accidental deletion of important files

Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. If this download cannot fix your problem, it will provide you with additional steps or help you contact Microsoft support. You can now use the Support and Recovery Assistant in a command line or a PowerShell script if you are an Enterprise customer. Visit this Microsoft doc for help using the command-line version of Microsoft Support and Recovery Assistant. If your Office 365 is not working properly because it’s outdated, support can handle update problems that prevent essential patches and security fixes from being installed.

Tools That Can Help

If none of the above resolve the problem, there are a few other troubleshooting tactics you can try. Check to make sure you’re connected to the internet, and that your computers date, time, and time zone are accurate. You’ll also want to make sure that you are running the latest version of Office. Next, you’ll want to review firewall settings, and check any anti-virus software that could be blocking the connection to verify the subscription status.



If you have ever had to call any tech support or your company's IT team, this is what they will start with. And as experienced IT Support technician I cringe having to ask users this but before we move on...Is your computer plugged in, charged and turned on? Use the Microsoft 365 network connectivity test to measure connectivity between your device and the internet, and from there to Microsoft’s network. 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.

Facing Issues with Microsoft Office 365? Let Us Fix It for You!

If you are using Office for work or school, you will likelyl have to use your Tech fixes at FixTechGuide work or school email account to sign in. Use the Microsoft 365 shared computer activation (SCA) troubleshooter to enable shared computer activation for Microsoft 365 applications. Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365.

Microsoft 365 uninstall troubleshooter

Explore security, analytics, and productivity features to choose the right solution. A diagnostic tool that automatically detects and fixes common Office 365 problems. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC.



Microsoft 365 provides online services and server products for your business with solutions for small to enterprise scale. This page provides guidance for troubleshooting issues with these products and services. Microsoft is usually aware of the challenges and problems that M365 users experience and many of the periodic updates fix these common issues. If you’re experiencing problems with the current M365 channel, the release notes on Microsoft Docs can be helpful.