I do not have any extension limit set, but the upload widget still does not allow me to upload any spreadsheet. xls, csv, xlsx all do not work, PDFs are fine though.
I have added the following into wp-config: define(‘ALLOW_UNFILTERED_UPLOADS’, true);
Gravity Forms is not preventing those uploads. It’s either WordPress or something on your server (like a security module.) I would first try eliminating any WordPress restrictions using a plugin such as this one:
Let us know how that turns out. Thank you.
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