You use Outlook every day. You practically live with it. So, it is really annoying when you cannot start Outlook due to any error, in this case error”Msvcr80.dll”. Don’t let the alphanumeric stuff distract you, now back to the point. Even if this DLL file is present in your system, you can still receive the error message. This is a common error due to the installation of certain Outlook add ins. In order to resolve issues where you cannot start Outlook, you just need to follow the steps mentioned below.

If you cannot start Outlook, follow these steps

a)      Start Microsoft Outlook.

b)      From the main Outlook window, go to the “Tools” menu.

c)      Select “Trust Center” from the “Tools” menu.

d)     The “Trust Center” window will open.

e)      Select “Add-ins” from the left pane of the “Trust Center” window.

f)       A list of installed Outlook add-ins will be displayed.

g)      Select the add-in you want to disable by clicking on it once.

h)      It will become highlighted. Click “Go” at the bottom of the window.

i)        Click the check box of the add-in you want to disable, and click “Remove.”

Enable the add ins one by one after this, and you’re on the way to solving your ‘cannot start Outlook’ problem. After enabling each add ins, run the Microsoft Office Diagnostics, then open Outlook, close it and open it again.  Continue this process until you find the culprit for your ‘cannot start Outlook’. Leave the faulty add-in disabled and reactivate the others.

If you still cannot start Outlook, you might need to remove the add ins completely from the registry in order to fix the problem. It is advisable to contact the online technical support team if your ‘cannot start Outlook’ problems persist.