outlook 2016

Infopackets Reader Mike J. writes: " Dear Dennis, Thanks for your article on ' cannot start outlook, cannot open window '. I have a similar problem. I recently had to format my machine and reinstall Windows 10, then reinstall Office 365. I'm now at ... the part where I want to set up my email account with Outlook, but I've made a huge mistake during the setup: I told Outlook that my email address is associated with a Microsoft Exchange server instead of IMAP. Now I can't undo the changes! Here's what's happening: when I try to launch Outlook, it keeps asking for my login credentials repeatedly ... (view more)

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)

Infopackets Reader Pat C. writes: " Dear Dennis, I have been using Microsoft Outlook for a number of years as it is my go-to email client. Every so often I need to reinstall Windows for various reasons; when this happens I have to reinstall Outlook ... and create a new Outlook .PST file, which stores my Outlook data including emails and calendar. The problem is that I have 8 .PST files from each time I've had to reinstall Windows over the years, as Outlook simply - will not - allow you to continue using the same .PST file from where you last left off. From what I can tell, each time the .PST file ... (view more)