# Message 83

## Message

"83. Unknown file format or version."

## Description

The contents of the file do not match the expected format. The file may be corrupted or may not be the correct type. Check the file type and contents. For mask files, the product identifier may be missing or incorrect. If these are valid, but the problem persists, please contact the Keysight Call Center.

This message is displayed in the message area and is reported as a programming error message.