Dropbox Fax supported file types and file size
Updated Dec 04, 2025
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Dropbox Fax supports a wide range of files including .doc, .docx, .pdf, .ppsx, .ppt, .pptx, .jpg, .jpeg, .png, .xls, .xlsx, .txt, .html and .gif files.
If you’d like to use a file type that we don’t support, you can save the file as a .pdf and then upload it to hellofax.com.
Note: We support a file size of up to 40 MB for each document in a fax transmission. There is also a maximum total page limit of 250 pages for the Dropbox Fax End-user product.
Dropbox Fax API supports a file size of 40 MB and a page limit of 250 pages.
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