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Slow start of Outlook 2016 / Profile loading

Outlook 2016 version: 16.0.9126.2152 with Hosted Exchange Enterprise 2013

Problem description

  • Outlook slow start: 'Profile loading' for long time (many minutes) (with Hosted Exchange Enterprise 2013)

Affected Outlook

There is a most likely a problem with Outlook 2016 version 16.0.9126.2152


Temporary disable internet connection (Airplane mode) en start Outlook again, then enable internet again



Go temporary back to Outlook 2016 version 16.0.8625.2127 until the problem is solved.


"C:\Program Files\Common Files\microsoft shared\ClickToRun\officec2rclient.exe" /update user updatetoversion=16.0.8625.2127"



  • Outlook 2016 autodiscover takes a long time to complete

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