Browse for a Digital ID file. Digital ID files are password protected. You cannot access the Digital ID if you don't know its password. NSAllRomanInputSourcesLocaleIdentifier NSAllRomanInputSourcesLocaleIdentifier Gw DQ Digital ID files generally have a PFX or P12 extension and contain the public key file (Certificate) and the associated private key file./n/nTo sign with a digital ID available as a file, follow the prompts to browse and select the file and type the password protecting the private key.