scanpst

Mon
09
Nov
Dennis Faas's picture

How to Fix: Cannot Start Outlook, Cannot Open Window

Infopackets Reader Leona H. writes: " Dear Dennis, I'm trying to upgrade from Outlook 2010 to Outlook 365 and I it takes a long time to start, stating that it 'cannot start outlook, cannot open window' or such. Actually, the full error message is: ' ... Cannot start Microsoft Office Outlook. Cannot open the Outlook Window . The set of folders cannot be opened. The attempt to logon to Microsoft Exchange has failed.' I don't understand how to get around this problem. I currently have Office 2010 and Office 365 installed. It only happens when I launch Outlook 365. Initially when I started Outlook ... (view more)

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