.PGP File Extension
File Type 1PGP Security Key
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Security key or digital signature file that verifies a user's identity; used for decrypting a file encrypted with Pretty Good Privacy (PGP) software; ensures that protected files can only be opened by authorized users.
File Type 2AutoCAD Program Parameters File
File used by AutoCAD, an engineering design and documentation CAD application; contains external command definitions, which allow users to run custom commands in AutoCAD; can be used for running external programs and Windows commands through the AutoCAD interface; also used for defining aliases, or shortcuts, for commands with verbose syntax.
PGP files are stored by default in a file named acad.pgp. They are stored in plain text and contain commands in the following format:
Each command specifies the command alias, an executable to run, process flags, display prompt options, and a return code when the command finishes.