Outlook for Mac 15.3 (Outlook 365) gets hung up on Sync Pending

Same issue, paying customers with a broken product (a mail client and don't receive mails) and no answer from the software vendor. Awful.

We continue to have the sync pending problem - have made several submissions via the smiley face on Outlook but no response so far Microsoft.  I am not sure how much we can live with this - we really like the new Outlook when it is working but the constant hanging is a real problem.

Hello

I've got access to several proxy servers and noticed that the behaviour is different depending on the proxy server I use. This leads me to believe that it's related to the connectivity. Not sure if the proxy is caching something it perhaps shouldn't, or whether certificates are being messed around. Hope this helps somebody.

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I "upgraded" and still same problem - the dreaded "Sync Pending for this folder" remains. I have a msn account.

I've long given up on Outlook, and subscribe to this thread to see merely how many people have to say something for Microsoft to actually do something, or even acknowledge a problem. 

And by the way - what is with outlook for mac always asking whether i want to re-enter my password when not connected to the internet (when i'm commuting for example). Absolutely infuriating. why doesn't it just realise i'm offline? Grrrr....

Thanks for advise. The sync errors is primarily from shared calendar events in my team, so cant delete those.