Temp Files

Beyond Compare uses temporary files for expansion of archive (zip) files and for content comparison (CRC, Binary, Rules-based) of files on FTP, FTPS, SFTP, and cloud storage servers.

Windows

Temp files are stored in the folder defined by the TMP environment variable. The default temp folder path is: C:\Users\username\AppData\Local\Temp

Temp files and folders are named BC4NNNN.tmp, where NNNN is a 4 digit hex number.

macOS

Temp files are stored in a hashed folder defined by the system NSTemporaryDirectory() function. The path is not user configurable. Example temp folder path: /var/folders/b1/n0cz7lvd5z58j94h8ssh_b5c0000gn/T/

Linux

Beyond Compare 4.1+:
Temp files are stored in the folder defined by the TMPDIR environment variable. The default temp folder path is: /tmp

Beyond Compare 3 - 4.0.7:
The temp folder path is: /tmp