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Support Article

Drag and drop file attachment does not work in Firefox



Files open instead of uploading the contents.

Error Messages

Not Applicable

Steps to Reproduce

  1. Open the attachment section.
  2. Drag and drop a file in Firefox.

Root Cause

Drag and drop is not supported because it uses ActiveX, which is only in Internet Explorer.


When non-Internet Explorer browser is used, a screen without the option is opened: 

  2016-07-11 12_56_44-Customer Request 2.png
In Pega 7, ActiveX dependency of this feature is removed. It uses HTML 5 approach to make the feature browser agnostic. Backporting that effort is not feasible because HTML 5 is not used in PRPC 6.

Published July 27, 2016 - Updated October 8, 2020

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