The PAD filename extension is used by the ACT! customer relationship management (or CRM for short) software.
The PAD file contains a link to the ACT files which are saved as .ADF or .ALF filetypes.
.pad File
Extension
Developer:
The Sage Group
File category:
What are pad files & how to open them - ACT! Database Pointer File
File category:
Developer:
The Sage Group