When PST files are beyond the repair scope of the Inbox Repair Tool (ScanPST.exe), third-party PST recovery tools can be a lifesaver. These programs are specifically designed to handle more complex data corruptions. They use advanced scanning and recovery algorithms to parse severely damaged files, reconstruct them, and recover their contents. Restarting your device clears temporary files and can fix minor software conflicts. If the above solutions are not working up to the mark, it simply indicates the corruption in your Outlook PST files.
There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing. If Outlook Desktop fails to connect, try these steps before escalating the issue to the ET&S Help Desk.
We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. 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. Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications. Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365.
Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don't match what you see on your screen, you might be using a different version of Outlook. If you can't receive new email messages, there are several troubleshooting steps you can take. If you've successfully sent and received email from classic Outlook before, and now Outlook repeatedly asks you to reenter your password, one of two things may have happened.
Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another Official Fix Outlook guide process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.
A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. Do you have another machine you can try to duplicate the problem on, preferably with a configuration that is as close to possible to the machine that has the problem? Identifying patterns helps to diagnose what the problem might be. To update your password in Outlook, see Change or update your email password.
For more information, see Introduction to Outlook Data Files (.pst and .ost). You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook Official Fix Outlook guide starts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. If you are trapped in a similar situation that my Outlook is not opening, you may feel disturbed about the problem. In the following post, you will find out solutions for the common Outlook not opening problems bonus tips to prevent the problem from happening again.
If it does not, proceed to the next solution. If the Outlook issue "outlook keeps crashing Windows 10" persists. You can proceed with the methods on this list. Once PSTs start climbing past 2 GB, things get shaky. Outlook slows down, crashes randomly, or fails to load entirely. Users often Official Fix Outlook guide turn to Microsoft’s ScanPST tool, but it struggles with large files and doesn’t always finish the job.
If classic Outlook still can't find settings for your email account, or you receive an error during setup, in many cases, you can set up your account manually. If you are unable to connect or are prompted for your password repeatedly attempt the following options. After finishing one step, if it does not resolve the issue move on to the next. The maximum number of recipients for an individual email through USNH IT mail servers is 300. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Classic Outlook for Windows.
Start typing in the search box to find a contact or contact list. Right-click an existing folder and select Create new subfolder. Calendar events can be used for your own personal event, or you can invite others to create an in-person or Teams meeting.
Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025