100 gb space - is that for file uploads?

100 gb space - is that for file uploads?

Yes, that's correct. The upload space refers to your forms that use a file upload field. The submissions can have file attachments on them and these files will take up the "Upload Space" limit.

Kindly refer to this guide for more details about account usage and limits:
understanding-your-account-usage-and-limits

I hope this will help. Let us know if you have further questions.