Unable to check in a zip file

The other day we tried to check in a zip file and received an error message stating that there wasn't a workflow that the file fits into. I then created a workflow, catergory, and file card dedicated to .zip files. The catergory has a condition that it must be a zip file extension, the workflow has a condition that it has to be of the zip file catergory. Still getting the same error. Anyone know what's up?

Thanks,

Ty

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