Where'd you get the file? What sort of file is this? Did you try the SSN, not formatted?

Do you have the primary pass word ?

https://accountants.intuit.com/support/en-us/help-article/access-permissions/setting-primary-client-...

Follow these steps to remove a client-level password:

1. Open ProSeries.
2. Open the client file you would like to remove the password from.
3. From the Tools menu, select Add/Change Client Password.
4. Delete the *** values from both password fields.
5. Click OK.
6. From the File menu choose Save Client.

If you ever forget a client-level password, the primary password (or administrator user for Access Rights) can open the return.