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

I completely deleted my exchange account and then un installed Outlook 365. Re downloaded the latest version and re synced.

So far so good. Incoming Mails to OWA show up in my Mac Outlook client within 2 - 3 minutes.

Jim Gordon - What Smile feature :-)? I cannot find it. I did feedback on the feedback link.

Back to square 1. I have also used the smile feature with no feedback. I have been away in a different timezone and it was fine now Sync pending again!!!

Changed the clock to not auto sync but no difference.

I have performed every suggestion in this thread to fix the exact same issue.  INCLUDING ALL FULL DELETE OF PREVIOUS APPS, PLISTS AND ALL ASSOCIATED FILES - MICROSOFT TECH SUPPORT ASSISTED! DID NOT WORK!

Today I completed a total erase and clean install of my Macbook Pro, mid-2012 13", I7, 8GB Ram 750GB HD.  I created and installed a new installation of EVERYTHING in this order:

Ran verify HD (perfect)

Erased HD

Installed Yosemite from USB

Ran UPDATES for MAC. 

confirmed OS X Yosemite 10.10.1

ALL data files have been either downloaded from the cloud via sync or exchange server. I did NOT reuse any data previously on the mac. 

installed all iCloud, iTunes items (Music takes priority)

Installed NEW Onedrive downloaded data from cloud 

installed Evernote

installed Adobe CC Photoshop, Acrobat, DW, IL, ID

Installed Office for Mac 365 from office.com account 

did NOT run any apps.

Installed Outlook for Mac v.15.6 from office web site

Ran Outlook to set up email.

All folder instantly populated 

NO emails 

hosted exchange version 14.2.318.2

confirmed with second exchange account from different host exchange provider (personal email) using version

14.3.174.1  I have all the same issues. 

Outlook file size is 4.5gb of which only 1000 emails are in the inbox representing only a few dozen MB... 

Outlook 2013 windows works on the mac via parallels and on two other PC's.  (same accounts)

quit and restarted 3 times to get inbox to sync. Can not keep sync running for more than 5 minutes. Clean install is actually working WORSE than before. 

STILL HAVE SAME ISSUES!

MY FEELINGS TOWARDS MICROSOFT ARE NOT THOSE WE SHARE WITHOUT HAVING A VISIT FROM THE POPO.

I have exactly the same problem. It appeared to start when I accepted the upgrade to Outlook 15.6. Have done a complete fresh install and still have the same issues.

Outlook 2013 works fine using VMWare.

Has anyone else linked the problem to the 15.6 update?

I have exactly the same problem. It appeared to start when I accepted the upgrade to Outlook 15.6. Have done a complete fresh install and still have the same issues.

Outlook 2013 works fine using VMWare.

Has anyone else linked the problem to the 15.6 update?

in the thread above you. 

On version 15.6

Just updated to Outlook 365. On my exchange account I keep getting "Sync pending for this folder" I have to quit and restart Outlook and my mails gets updated but just for a limited time, then status gets back to "Sync pending for this folder"

How to downgrade to 2011? 

Will all mails and "archives" be restored from 365 to 2011?