Blogs
on November 25, 2025
When you launch the tool you’ll be asked to pick the issue that applies most closely to what you are experiencing. Because this tool is very thorough expect it to take minutes to run, sometimes even longer. It’s possible that login prompts are an indication of corruption in the application. Gone are the days where this is an hours-long process. The solution to this is to train the users to glance at this bottom right corner of Outlook from time to time.
Now, let’s look at how to fix these issues step by step. Your trusted tech help & troubleshooting hub. If the error occurs during a Windows update, the Windows Troubleshooter can Outlook Fix Services troubleshooting help identify and fix the problem.
You’ll see the "Uninstall or change a program" window where you have to access the list of applications, find the Office 365 program, and initiate online repair. Microsoft Office 365 is one of the essential programs that ensure productivity and collaboration across teams in an organization. Its suite of useful applications and cloud-based services provides an all-in-one tool that streamlines communication and processes in a business.
If we don't detect any problem, we'll guide you through how you can help yourself. Use the Microsoft 365 activation troubleshooter to resolve Microsoft 365 subscription activation issues. We can also look at preempting problems by implementing ways to reduce the use of passwords at all. First we need to admit that no one loves managing passwords. They are easy to forget and often lead to confusion.
You can't install the desktop PC or Mac versions of Office on your Chromebook, but depending on your Chromebook you may be able to install the Office mobile apps. The Microsoft 365 offline installer may help bypass potential proxy, firewall, antivirus, or Internet connection issues that might occur during an Microsoft 365 installation. Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications.
Some Huawei routers give out broken IPv6 DNS settings, so disabling this avoids future issues. In shared networks like those at Yo-Kylä student village, this kind of problem is surprisingly common. If you’re using an old LTE (4g) router as a switch or access point, your laptop might be getting incomplete or invalid DNS settings.
In most cases you can do basic editing on most of these devices, however if you have a qualifying Office 365 subscription, you get access to the apps' extra features. If you discover you can't make edits to certain documents, see What you can do in the Office apps on an Android, iOS, or Windows mobile device with an Office 365 subscription. For download and installation issues on a Mac, see What to try if you can't install Office for Mac. Use the Microsoft 365 activation troubleshooter to resolve Microsoft Outlook Fix Services troubleshooting 365 subscription activation issues.
If the problem no longer occurs, it confirms that one of the add-ins that you just disabled was causing the issue. However, we came across many users who are still struggling with this Outlook issue. They still wonder ‘Why is Outlook constantly not responding? ’ So, it is possible that your PST file will get corrupted and you can lose all important data. Or, if the problem is itself due to oversized PST getting corrupt, you need to recover PST data as soon as possible.
Find solutions to common problems or get help from a support agent. Use the Microsoft 365 network connectivity test to measure connectivity between your device and the internet, and from there to Microsoft’s network. Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC.
Step 4: Repairing Microsoft OutlookClose Outlook & open your computer's Control Panel.Select "Programs" then "Programs and Features".Find Microsoft Office or Outlook & right-click on it. Choose "Change".A dialog box will appear with repair or uninstall options. ...Follow the prompts to complete the repair process.
Now, let’s look at how to fix these issues step by step. Your trusted tech help & troubleshooting hub. If <a href="https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/">Outlook Fix Services troubleshooting</a> the error occurs during a Windows update, the Windows Troubleshooter can help identify and fix the problem.
If you're not sure which operating system you have, see Which Windows operating system am I running? If you're not sure how to decide between 64-bit or 32-bit, see Choose the 64-bit or 32-bit version of Office 2016.
If you need more licenses, see Buy licenses for your Office 365 for business subscription. To remove a license from your subscription, see Remove licenses from your Office 365 for business subscription. If you're an IT Pro and you want to deploy Office in your organization, use the Office Deployment Tool to download the Office software to your local network. You then deploy Office by using the software deployment method you typically use. It could also happen because you haven't assigned a license to yourself or your users. If you're an Office 365 user, do the following to deactivate an installation.