An .asc file is a highly versatile, text-based format used across a wide range of industries, from secure communications and 3D scanning to geographical mapping. Because it stores information as ASCII (plain text), these files are generally human-readable and compatible with almost any platform.

Below is a guide to the different types of .asc files and where you can find sample downloads for testing. Common Types of .asc Files

Depending on your software, an .asc file could serve several very different purposes: What is an ASC file? | Adobe Acrobat