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With version 2.149 and up we enhanced our UI to support this.
You start the upload of multiple attachments from the overview UI by hitting the action “Upload a creative”.
After you selected one of the templates which was prepared beforehand for multiple files, you will see multiple input fields for attachments on the left hand side.
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Submit to external system
Please check 4.12.3 How to upload Creatives from ADvendio to an external System (AdServer, SSP or similar) (Beta)? .
Outlook
Current enhancements planned in Q4/2021:
enable the deactivation of creative assignments
support more formats for Google & Xandr
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