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Outlook 2016 Won't Open - Crashes Upon Starting Outlook 21016

Outlook 2016 Won't Open - Crashes Upon Starting Outlook 21016. Here's how I fixed it:

Office365 Repair

  • -close OUTLOOK
  • -click START > CONTROL-PANEL > PROGRAMS-AND-FEATURES
  • -click MICROSOFT-OFFICE-365
  • -click CHANGE (at the top).
  • -click FULL-REPAIR (not "quick-repair")
  • -wait 15 minutes.
  • -try OUTLOOK again when finished.

x64 Bit

If that doesn't work, I've found the x64 bit to be more stable:

  • -uninstall Microsoft Office x32
  • -restart computer.
  • -install Microsoft Office x64

Outlook Safe Mode

If that doesn't work:

  • -hold CONTROL
  • -click OUTLOOK icon to open.
  • -click YES (for disable plugins)
  • -click FILES > OPTIONS > ADD-INS > COM-ADD-INS > GO
  • -uncheck everything.
  • -checkmark MICROSOFT-EXCHANGE-ADD-IN
  • -click OK
  • -close OUTLOOK
  • -open OUTLOOK in normal mode.

Set Data File

If that doesn't work:

  • -click START > SETTINGS > CONTROL-PANEL > MAIL
  • -click EMAIL-ACCOUNTS
  • -click DATA-FILES (at the top)
  • -select your mail account in the list.
  • -click SET-AS-DEFAULT
  • (yes, even if it already is).
  • -click CLOSE > CLOSE.
  • -open OUTLOOK.

Update iCloud

If that doesn't work:

Office365 Account Conflict

If that doesn't work, you might have an OFFICE365 account conflict. You may have one OFFICE365 account for WORD, EXCEL, OUTLOOK and another OFFICE365 account for EMAIL.

  • -click START > SETTINGS > ACCOUNT
  • -click EMAIL-&-APP-ACCOUNTS (on the left-hand side).
  • -remove the OFFICE365 account that is only for email (leaving the OFFICE365 account that is for WORD, EXCEL, etc or the one that you use to login to the computer [ie same as your username]).
  • -make sure the correct DATA-FILE is set as the DEFAULT (see above).
  • -open OUTLOOK

Office Update

If that doesn't work:

  • -click START > SETTINGS
  • -click UPDATE-&-SECURITY
  • -click CHECK-FOR-UPDATES
  • -install any updates and restart the computer.

Redo

If that doesn't work, you've probably spent too much time on this:

  • -start a new profile.
  • -add the email accounts back in.

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