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See ExtendCli for more information.


Log in to and click the Create Bundle located in the top right corner next to the profile icon:


  • A bundle containing only default extensions is generally around 500MB
  • Bundle files will use the .extarchive file extension

Upload the bundle to CAST Extend Offline

Via AIP Console

If you are using CAST Extend Offline with AIP Console, the process of updating CAST Extend Offline is handled automatically by AIP Console. Login to AIP Console with a user account that already has the Admin role and switch to the Admin Center:

Now move to the Settings panel and expand the CAST Extend option:


Drag and drop your downloaded bundle in to the options screen, or click the button to choose the .extarchive file directly. The bundle will then be uploaded and added to CAST Extend Offline automatically and all new extensions added to the bundle will be available immediately.

Via the CAST Extend Offline API and curl

CAST Extend has a built in API that can be accessed in a manner of ways. It is therefore possible to upload a new bundle using the API, for example with curl:

Code Block
curl -F "data=@<path_to_file.extarchive>" http://<server>:<port>/api/update


curl option -FThis causes curl to POST data using the Content-Type multipart/form-data. See
<path_to_file.extarchive>The path to the .extarchive bundle file.

Form part of the URL to your on premises CAST Extend Offline. For example:

  • <server>: the local server on which CAST Extend Offline is installed.
  • <port>: the port number which CAST Extend Offline runs on. This is determined during the installation (default port number is set to 8085).