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Discover advanced options of the file upload block

The file upload block has some advanced options to help you to get the right uploads.

When to use

Use the file upload block to let your respondents upload a file or image to their responses.

Demonstration of a file upload block.


Each question block has common features to present the block the way you need, for example name, description and help text. And most of the question blocks have common options, like the required and exportability options. More information on that can be found in the help article about our form builder.

On top of those common features, the file upload block has the following advanced settings:


The following advanced settings are available for the file upload block:

  • File size

    By enabling the File size feature, you can determine the maximum file size (in Mb) that respondents can upload.

  • File type

    By enabling the File type feature, you can determine what file type(s) respondents can select. You can supply multiple file types, separated with a comma (,). Make sure you start each file type with the dot (for example .pdf).

Advanced settings of the file upload block.

Branch conditions

The file upload block can work with the following branch conditions:

Basic conditions

  • File uploaded;
  • No file uploaded.

Evaluate conditions

  • When value matches your filter;
  • When value does not match your filter;
  • When value contains your filter;
  • When value does not contain your filter;
  • When value is specified;
  • When value is not specified.

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