The general Upload documents form accepts PDF, common image files, spreadsheets, Word documents, and text files. The accepted filename extensions include PDF, PNG, JPG, JPEG, HEIC, CSV, XLS, XLSX, DOC, DOCX, and TXT.
Specialized upload modes can be narrower. A requested-document upload does not accept HEIC, and an attachment upload accepts one PDF, PNG, or JPEG. Read the format guidance inside the actual form you opened.
If the file type is unsupported, export a supported copy from the application that created it. Renaming the extension is not a conversion and can leave the file unreadable. Keep the original file if it contains information you may need later.
After choosing the file, check that it appears in Files to upload before submitting. A rejection message identifies files that were not added. Confirm the file’s contents and company context, then wait for the upload result. Do not substitute an unrelated file just to make the form accept something; the requested evidence still needs to answer the team’s request.
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