
You can do this by going to the Run dialog again like we did above and this time typing the following: outlook.exe /noextensions You can test this out by starting Outlook with no extensions. Method 5 – Start Outlook with No ExtensionsĪnother issue could be a third-party add-in. Before you delete any profiles, however, make sure you backup your PST file. You can do that by going to Control Panel and then Mail and then Show Profiles and then deleting all the current profiles. If you have a corrupt profile, you will keep getting this error until you create a new profile.
#Turn off cached exchange mode outlook 2010 how to#
You can read the following post which goes into great detail on how to use scanpst with Outlook 2003, 2007, 2010, 20. In this case, scanPST is your best option to repair the problem. If the two methods above didn’t work for you, then you might have a problem with your actual PST file. Then you can safely turn off the cached mode and things will work fine. You may also get this “Exchange” error when you don’t even use Microsoft Exchange. Below are the links to turn off Cached Exchange Mode in Outlook 2007, 2010, 20. If you don’t need a local copy cached, then turn this off and you should no longer get the error.

This basically stores a local copy of your Exchange mailbox, which is useful on a laptop, but not on a desktop that is always connected. If you are in an office environment and you’re using Exchange with Outlook, then this problem can be caused by something called Cached Exchange Mode. If not, continue to try the other possible solutions below. Now go ahead and try to startup Outlook again and see if the issue has gone away.
