After update to 16.73 Outlook for Mac, Yahoo mail keeps re-syncing and reloading. Changes made in Outlook AND Yahoo are not syncing.

I've tried to add my yahoo account again to microsoft outlook.

I've received the same error(s). for the folders.

Same for every folder in my yahoo mailbox.

Then it somehow forgets all the updates (deleted messages, read messages) like nothing happened and I have to select those emails as read all over again, move them, etc.

Only Yahoo (Australia but I assume that doesn't matter really) mailbox does this, Gmail, outlook.com, company mails working fine.

I got no other error messages.

/shrug/

It is amazing that so many updates to Outlook have apparently been applied since this came up and still there is no resolution.

Years and years of using Outlook without a problem with a Yahoo! account and now it's all broken to the point that move, delete, and even viewing messages simply doesn't work correctly at all.

What's worse is that there are even MORE issues if one switches to the "New Outlook" interface--like access to local folders being impossible.

Excellent summary Rocleaner of M$'s **** we all have put up with since May. Outlook for the Mac, legacy and New, both suck. Obviously M$ doesn't give a dung and is absolutely tone deaf. I have to include writers and pundits who routinely report on M$ issues and inside the M$ world. These folks are also tone deaf - I would think they would use their influence and audience to get M$ to take action.

I am so frustrated with everything Microsoft and I'm ready to cancel my Office account. Windows 11 - will never happen!

If this is the best M$ can offer, they need to be broken up.

This has been going on since May. Microsoft appears to be uninterested in fixing this. I can't believe that a company with MS' ability can't fix this in short order! Also, their official work about - New Outlook is a disaster. It also appears to have sync problems. For a number of weeks it was unable to fully sync the Yahoo Inbox. That seems to have been rectified by me uninstalling the account and reinstalling it. But new Outlook has many other shortcomings some of which are appended below. I think the time has come to request compensation from MS. We are paying our subscription for 365 yet one of the main programs I am paying for - Outlook does not work as advertised. It has not been fit for purpose since May and their workabout - New Oulook is also not fit for purpose. Appended below is just a few of maladies of New Outlook thst I have noticed. Lets start demanding compensation!

Find the ribbon capacity to small

Rules don’t work

Can’t move folders

Can’t create a new folder

Can’t zoom when replying to an email or writing a new email

White listing and black listing not possible

Reading pane settings in junk folder don’t stick

Randomly, from time to time, the message “move” command does not work

The reading pane of the junk folder has to be set every time one uses the folder - PITA!

Can’t move multiple emails to another folder

Does not synch all the older emails in the online version of Yahoo - a basic IMAP function

I am paying for a 365 subscription and since May a major reason for me having it, Outlook, is not working. Due tom the sync issue with Yahoo I need a clear answer from MS whether this will ever be fixed so that I can move on and cancel my subscription and find something that works. This is just a disgusting performance!

I have the EXACT same issue using Outlook for Mac version 16.76.2 on a MacBook Pro running macOS Monterey Ver 12.5.1. Why is no one at Microsoft addressing this bug?? I also will not switch to the new Outlook for the same reasons you have stated.

Prior to this update, I had no issue with Outlook for Mac and Yahoo. I just updated to 16.73 (23051401). After updating, I had many problems with the Yahoo mail from within Outlook. It worked for the first 15 minutes, then got login errors and IMAP errors. I deleted the Yahoo account from Outlook and then quit. I then went back to Yahoo and got a new app password. I restarted Outlook and added the new app password obtained from Yahoo. It worked for the first 15 minutes then started to suddenly empty out all emails in all folders. Then the emails would eventually re-sync and reload from Yahoo. This now happens constantly. I tried the same uninstall reinstall process again, and nothing changed. Now also changes I make within Yahoo via my browser are not reflected in Outlook and changes made to Yahoo mail within Outlook are not saved when the emails clear, res-sync and reload, and they are not reflected in Yahoo online either. It's stuck in a loop. New emails DO ARRIVE and get added to the loop. Also there is a constant attempt to recreate the basic Yahoo folders: Drafts, Archive, Junk, Bulk. I get error messages saying can't be installed because they already exist - which they do! Why is it trying to reinstall them as if it is a new connection with Yahoo?

My setup is the following using OUTLOOK for MAC - BUT NOT NEW OUTLOOK. New Outlook does not support all the folders I have created over the years for organization and am unwilling to lose. I have a 16 inch MBPro M1 Max chip. Running Monterey 12.6.5.

AS a side note, I have for the past year or more had problems where white-listing emails does not work. Outlook is putting emails of people I email with regularly into SPAM. I whitelisted many of them, but Outlook is ignoring the classification and still putting those emails into SPAM.