Have you ever wanted to restrict the attachments on a SharePoint Online list by file type? If so you probably found that using SharePoint only there is no such setting.
However, it is possible to use a custom list form built with the help of the Power Apps list forms to achieve this result, as in the example below:
Check how to create the form and the steps to customise it:
Create…
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Restrict SharePoint list item attachments by file type using a custom form – michelcarlo
How to customise a SharePoint Online list form to allow only specific file types to be used as attachments.
Blog Syndicated with Michel Mendes’s Permission