I would like to allow users to upload files as attachments to their membership User object. What is the easiest way to add a custom field to the User Settings class that will allow the user to upload a file and store it as an attachment?
You can add a field by going to Modules > Membership > Classes > User-Settings > Fields and add your custom field there. Then I believe you would be able to use the My Profile web part to allow users to edit it from the live site.
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