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Bug: Double-clicking the map document in Windows Explorer does not open it in a new ArcMap session

Description

Double-clicking the map document in Windows Explorer does not open it in a new ArcMap session.

Cause

This is a known issue.

Workaround

  1. Start Windows Explorer, browse to C:\Program Files\Common Files\ArcGIS\bin\ and double-click on ArcGISFileHandler.exe to start it.
  2. On the Map Options tab, select 'Open in running application'.
  3. Click OK to close the ArcGIS File Handler application.
  4. Start C:\Program Files\Common Files\ArcGIS\bin\ArcGISFileHandler.exe again.
  5. On the Map Options tab, select 'Open in new application'.
  6. Click OK to close the ArcGIS File Handler application.

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