Outlook Email 2016 not longer accepting emails

[king1]

Thanks king1. Will look into that. Another question then.

If I bought Microsoft 365 would it pick up/ take over my present Office 2016 and get my Outlook working again?
Would then move to IMAP as it is handy seeing emails on my phone.

Looks like Office 2021 is the latest stand alone Office available. Have they stopped it in favour of 365?
My wife occasionally uses Publisher but that's the only app apart from Outlook that we use.

Have had a look around. Might see how the free Outlook works out, seeing as how I go online to view my gmail account. Don't like the look of what happens if I stop the 365 sub!

I wouldn't want to guarantee that...

if the syncing between phone/PC is what you are looking for then you definitely should be setting up email as an outlook.com account rather than pop/imap.  This way it can also sync contacts and calendar etc whereas IMAP syncs email only.

BUT as mentioned above you will need to backup and re-upload your existing email/folders (from pop?) to the new setup.

This method will probably deal with the oAuth requirement better as well...