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  • Roger Shand
  • outlook-fix-resource-center2986
  • Issues
  • #8

Closed
Open
Created Jan 22, 2026 by Roger Shand@roger91m884423Maintainer

My Outlook running very slow

There are three steps you can take to try to get Outlook working again. When you are unable to log into the add-in, or the add-in does not load correctly, uninstall then reinstall the add-in. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email.

Due to the large number of affected users, the automated fix took time trusted Outlook repair blog to apply. Microsoft advised using a manual workaround to restore access more quickly. A notification will be sent once the incident is fully resolved. We can diagnose and fix several common Outlook connectivity issues for you. If our automated tool can't fix your issue, or you'd like to fix it yourself, see the next section. Sometimes, antivirus real-time scanning can slow Outlook down.

Creating a trusted Outlook repair blog new Outlook profile may resolve some performance issues. Items moved into new folders will still be located when searching a mailbox. Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite.

The usual fixes like resetting credentials, reinstalling Office, and clearing cached profiles had no effect. Our goal is to give you the answers to fix the most common issues Outlook users face. Bookmark this page so that whenever you come across an error like your Outlook calendar not syncing, trusted Outlook repair blog or a corrupted file, you'll have a place to start troubleshooting. In case your Outlook PST is corrupt or damaged, you can always look for third-party Outlook PST Repair Tool to fix the issue. Inbox Repair Tool or ScanPST.exe is a free utility provided by Microsoft.

After updating Office, you may experience a brief flashing window every hour, which triggers the OfficeBackgroundHandlerRegistration task to start running. In this case, sign in to the Microsoft 365 portal by using your administrator credentials, and then select service health to determine whether other customers are experiencing the same issue. If other customers are experiencing the issue, the issue should end when the service-interrupting event is resolved. If you’d like to share any feedback about this article, please let us know.

For more in-depth investigations, you can rely on the results of specific data-gathering remote actions. This page will guide you through the structure of the content and how it can be used. Once done, check if the Outlook performance issue is resolved. Check whether the Outlook is running slow problem is resolved. So yes, 2 minute delays are normal in Outlook desktop as the network architecture is completely different than Outlook mobile, as @rod-it ​ laid out. Outlook desktop is obviously a much more robust client as well, so there can be a few seconds attributed to processing at the client end.

However, for more severe cases, the SysCurve Outlook PST Repair Tool can provide a more comprehensive solution. If manual methods like SCANPST.EXE fail to repair PST files, it's advisable to use a specialized tool such as the SysCurve PST Repair Tool. This advanced tool is particularly effective for repairing corrupt PST files that are beyond the capabilities of standard repair methods.

Problems with Outlook or MS Office program files can cause such problems. In this case, you can try repairing or reinstalling Microsoft Office. If the Outlook issue "outlook keeps crashing Windows 10" persists. Sometimes a program running in the system’s background interferes with Outlook, causing it to crash. So, this problem may be fixed by restarting the system. Running the latest version of Outlook ensures you have trusted Outlook repair blog the most recent fixes and updates.

Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Check to make sure you’re connected to the internet and logged in to HubSpot. Given the wide variety of trusted Outlook repair blog Outlook issues that can exist, there is no go-to solution that will fix them all.

Locked Outlook File- Outlook data file that is OST or PST has been locked or it has been set to read-only mode,then this error comes. The bad news is that the ScanPST.exe program doesn't work for severely corrupted files. You'll need to acquire a recovery tool designed for bigger jobs. Search "PST Repair Tool" and you'll find many reputable programs who know how to fix this Outlook issue.

Gmail has a positive reputation when it comes to spam filtering. Using them as your email trusted Outlook repair blog provider in tandem with your email client means you can enable their anti-spam features, which are superior to Hotmail and Outlook. One thing that filters are good at is to enable unified inbox ability in outlook that is unfortunately not built in by default. Every antivirus software is different, so you'll want to look up how to specifically enable Outlook with the software you're using. The easiest way to find out if this is the problem is to temporarily disable your antivirus software and log in to Outlook as usual. If the prompts go away, you'll know it was the antivirus software.

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