.ERR File

File extension err is used for various error files. Mostly .err files are simple text files containing error messages from a specific application if some error occurs.

Usually err files are automatically generated by program compilation and often used in beta testing or in software development. For example Visual FoxPro compilation error uses .err file suffix.

Files with err extension can be often encounter as various error files that store error messages or logs in simple text file format.

How to open:

You can try to use any common simple text editor to open and view .err error log files.

How to convert:

There is no reason to convert this file type into other formats. Maybe change suffix from .err to .txt to open it with associated system text editor.