outlook 2016 for mac keeps asking for password for offic365

Using all of the above has resolved this for us when the usual workaround (just deleting the entries in Keychain) doesn't work. In Outlook > Tools > Accounts > input the password into the email account(s) you're having trouble with.Using Windows Credentials Manage, Reset the Login Settings for Outlook 2.

In Outlook > login to any accounts that you're prompted for How to Fix Outlook Keeps Prompting for Password Error 1.

Open Outlook > input password to unlock login in Keychain.

Open Keychain Access > (View > show invisible items) > search for and remove entries related to 'exchange', 'office', 'adal' Current versions of Outlook for PC and Outlook for Mac do not generally require intervention to use Modern Authentication. connect to your Office 365 or other Microsoft Exchange based email account Microsoft Outlook for Mac 2011 by using only your email address and password.

It doesn't crop up every day/week/month, isn't related to password or other issues specific to an account, and appears to be a problem with Outlook/Keychain interaction. Only Outlook 2013 and older has this issue. This is an issue that has been around for several years going back to at least Outlook 2016 for Mac. If you have MFA enables with Microsoft, Outlook will keep asking for password unless you create an app password in the users account and enter that pwd in when Outlook asks.

Our users having trouble are using O365 accounts in combination with Duo (but Duo doesn't seem to be the problem). I wanted to add some notes about our workaround for this because sometimes just deleting those entries in keychain isn't (always) enough.

Outlook 2016 for mac keeps asking for password for offic365