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EchoSign is a software company that developed an electronic document signing service of the same name. It was acquired by Adobe Systems in July 2011.[1]


Adobe EchoSign logo

The company opened its EchoSign service in late 2005.[2] After being acquired by Adobe, it became Adobe EchoSign and added support for mobile devices.[3][4] Since May 2016, it has been known as Adobe Sign.[5]


  1. Adobe Acquires EchoSign, Adobe Systems. 2011-07-18.
  2. Send an Agreement, EchoSign. Archived 2005-12-16.
  3. Adobe Echosign releases for Android by Zach Dasher, AndroidGuys. 2014-09-21.
  4. New Adobe EchoSign release delivers offline signing for iOS by Courtney Brigham, Adobe Conversations. 2013-06-10.
  5. Got an HTTP 301 response at crawl time | Redirecting to..., Adobe Systems. 2016-05-05.

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