The general guidance for file uploads to any Flatfile importer is to keep the size under 1GB. This is due to a GraphQL limit on `Int` values. If you're attempting to upload a file larger than 1GB to Flatfile, you can use GZip to compress the file and upload it. ZIP archiving will not work here, it must be Gzip.
In Flatfile Portal, the amount of time it would take for an upload to be processed depended entirely on your local hardware. In Flatfile Embed, that processing is done on our server, and much more quickly. Flatfile Embed also allows you to interrupt a processing upload once it has begun and return to it later. Do be aware that files larger than 250mb may take longer to upload due to browser limitations.
If you're attempting to upload a larger file and you're seeing errors or issues, please reach out to our support team by emailing firstname.lastname@example.org.