How to Change the Allowed File Types in File Upload

April 13, 2024

The File Upload form element allows you to accept file uploads on your form. By specifying the allowed file types, you can prevent users from uploading unwanted or incompatible files. For example, if your form is set up to process PDF files, you can prevent users from uploading .doc files.

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The default allowed file extensions are as follows:

  • PDF
  • DOC
  • DOCX
  • XLS
  • XLSX
  • CSV
  • TXT
  • RTF
  • HTML
  • ZIP
  • MP3
  • WMA
  • MPG
  • FLV
  • AVI
  • JPG
  • JPEG
  • PNG
  • GIF

To change the allowed file types in File Upload

  1. In the Form Builder, open your File Upload’s properties.
Steps to add and edit File Upload properties in Jotform
  1. In the properties panel on the right, go to Options at the top.
  2. List your allowed file extensions, comma-separated under File Types.
Steps to change the allowed file types in Jotform File Upload

Notes

  • The allowed extensions list is case-insensitive.
  • List the extensions without a leading dot (e.g., enter “pdf” instead of “.pdf”).
  • Enter asterisk (“*”) in File Types to allow all file types.


See also: How to Change the Size Limit in File Upload.

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