Tasks Pro™ supports attaching files to tasks and notes in version 1.1 and later. To enable file uploads, you need to adjust a few settings.

1. Your server administrator or someone with permission to edit the Server Settings needs to check the 'Enable adding files to tasks/notes' checkbox.
2. Each user has a permission setting to enable them to upload files. If you want this user to be able to upload files, someone with permission to edit users needs to check the 'Allow user to attach files to tasks/notes' checkbox for that user.
3. There are other configuration settings on the server that may need to be adjusted as well.