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Adobe Extension Manager, formerly Macromedia Extension Manager, was a series of utilities provided by Adobe to manage software extensions for their Creative Suite and Cloud applications.

Product history[]

Macromedia Extension Manager 1

Macromedia Extension Manager 1.0 was originally developed by Macromedia to support extensions for Macromedia Dreamweaver 3 that were downloaded through Macromedia Exchange, which was launched in April 2000.[1] Files to be installed were prepared as Macromedia Extension Installation (.mxi) files packaged into a Macromedia Extension Package (.mxp).[2]

Macromedia was acquired by Adobe Systems in December 2005.[3] The software utility was renamed to Adobe Extension Manager and its functionality was expanded to support Creative Suite applications. The .mxp package format was superseded by Adobe Zip Format Extension Package (.zxp) in CS5.5.[4]

Support for Extension Manager was phased out with CC 2015 apps. Its functionality was built directly into the Creative Cloud app and Adobe Exchange now functions as the marketplace for extensions and presets.[5]


  1. Macromedia unites family of products with new extensions, Macromedia. 2000-10-25. Archived 2001-02-11.
  2. Installing Extensions and Components by James English, Macromedia Flash 8: Training from the Source. 2004.
  3. Adobe Completes Acquisition of Macromedia, Adobe Systems. 2005-12-05. Archived 2005-12-07.
  4. What Is a ZXP File? by Tim Fisher, Lifewire. 2019-09-22.
  5. Announcement: Extension Manager End of Life Notification, Adobe Partner Connection. 2015-05-22. Archived 2015-11-29.

See also[]

External links[]


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Adobe Extension Manager
CS3 · CS4 · CS5 (CS5.5) · CS6 · CC
Macromedia Extension Manager: 1.0 (1.1 · 1.2 · 1.3 · 1.4) · MX · MX 2004 · 8