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 logo 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.

Mac logo 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 logo 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

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