Forum Discussion
Cannot open Microsoft Outlook
MS Office365 tier 2 techs have been trying to fix similar issue for us for over two months now. Difference in the issue compared to you is that it only occurs when we add a second mail box to the profile. Deleting profiles and ost's fixed the issue for anywhere from an hour to 3 days. Outlook doesn't crash but won't reopen after nomal exit.
If you delete the second mail box Outlook opens fine.
Haven't been able to thoroughly test, but appears that creating a new profile with only the formerly secondary mail box does not have the issue.
SARA, and the detailed diag logs that were running before and after issue supposedly are normal. OWA normal. Win10 mail can handle both accounts at once no problem.
Tech today thought I should try a new profile with the formerly secondary mailbox installed as the primary one. Then add the formerly primary one. Unfortunately that introduces a whole other set of issues and makes it easy to send mail with the wrong "sent by" address. Plus a hundred emails showed up in the new Outbox which were actually sent ok a month ago.
Maybe a windows thing but all 4 pcs are at most 2 year old hardware with anywhere from standard release Win 10 to slow channel Windows Insider. Office 365 is slow channel monthly.
So the second account that you are trying to add is the Shared mailbox or is it a user mailbox...
If it is a shared mailbox... how are you adding it ? By checking the download shared folders item or like a user account by providing the username and password...?
Make sure if you are adding it by using the username and password, uncheck the download shared folders icon...
- don't recall seeing a "shared folders icon" at all. Could you upload a screen shot of that?
Rnishat0786 Not a shared or delegated mailbox. Just a mailbox to which I have the login credentials for full access. Add it the same way I added the first (my main) Office 365 mailbox when creating the OL profile via control panel or from inside OL.
