There is a specific registry/policy setting that determines whether the Exchange Active Sync (EAS) account creation is allowed or disallowed in Outlook. In this article, you'll find out how to edit it.


First, back up the registry ( to be able to restore it in case of any incorrect actions or unexpected results.

  • Close all Office applications.
  • Start Registry Editor (regedit.exe).
  • Locate and then select the following key:
  • On the Edit menu, point to New, and then click DWORD Value.
  • Type EnableEASAccountCreation, and then press Enter.
  • In the Details pane, right-click EnableEASAccountCreation, and then click Modify.
  • In the Value data box, type 1 to enable, or 0 to disable EAS account creation, and then click OK.
  • Exit Registry Editor.

If you want to manage this by using policies (GPO), you can use this registry key as well:

Note: 16.0 in the corresponding key stands for Office 2016, 2019 or Office 365. If you're using a different version of Office, the key in the path will differ accordingly:

  • Outlook 2010: 14.0
  • Outlook 2013: 15.0
  • Outlook 2016: 16.0
  • Outlook 2019: 16.0
  • Office 365: 16.0

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