See ExtendCli for more information.
Log in to https://extend.castsoftware.com and click the Create Bundle located in the top right corner next to the profile icon:
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
curl -F "data=@<path_to_file.extarchive>" http://<server>:<port>/api/update
|curl option -F||This causes curl to POST data using the Content-Type multipart/form-data. See https://curl.haxx.se/docs/manpage.html#-F|
|<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: