If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or Outlook repair support team shut itself down. 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.

The AppData folder hosts a lot of files, including bookmarks and cached pages. This might be slowing down or overriding other commands in Outlook. To disable this feature, you'll need to edit the Windows Registry. It's incredibly common to have Outlook crash because of a corrupted PST file. Updating your Outlook may conveniently solve the issues you're experiencing. All you need to do is to check and install any updates for the app.

These applications and services can interfere with Outlook. A Selective Startup or "clean boot" process can help you identify problems that are caused by application conflicts. Corrupted PST or OST data files can prevent Outlook from loading. Microsoft’s ScanPST tool can repair minor corruption