Components

File upload

Help users select and upload a file.

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Props
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When to use this component

You should only ask users to upload something if it’s critical to the delivery of your service.

How it works

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Error messages

Error messages should be styled like this:

Error: The CSV must be smaller than 2MB

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Make sure errors follow the guidance in error message and have specific error messages for specific error states.

If no file has been selected

Say ‘Select a [whatever they need to select]’. For example, ‘Select a report’.

If the file is the wrong file type

Say ‘The selected file must be a [list of file types]’. For example, ‘The selected file must be a CSV or ODS’ or ‘The selected file must be a JPG, BMP, PNG, TIF or PDF’.

If the file is too big

Say ‘The selected file must be smaller than [largest file size]’. For example, ‘The selected file must be smaller than 2MB’.

If the file is empty

Say ‘The selected file is empty’.

If the file contains a virus

Say ‘The selected file contains a virus’.

If the file is password protected

Say ‘The selected file is password protected’.

If there was a problem and the file was not uploaded

Say ‘The selected file could not be uploaded – try again’.

If there is a limit on how many files the user can select

Say ‘You can only select up to [highest number] files at the same time’. For example, ‘You can only select up to 10 files at the same time’.

If the file is not in a template that must be used or the template has been changed

Say ‘The selected file must use the template’.

Research on this component

Read a blog post about design tips for helping users upload things.