Hello @AfPE ,
If you have a franchise, agency, or other business/org setup that may qualify for a Partner setup, then I'd advise looking into that. One of the perks of partner accounts, is the ability to transfer email templates they create to their child accounts at will.
Otherwise, the only other options would be using the custom code editor, then sending the finalized HTML to your colleagues. Or, you'd need to call our general support and request a paid campaign transfer opp to the other accounts.
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