Portable Install | Xlcompare

@echo off set XLCOMPARE_PORTABLE=1 start XLCompare.exe /portable Note: The exact flag /portable may vary by version. If it fails, try using a third-party launcher like PortableApps.com Launcher or Cameyo to sandbox the registry writes. One major advantage of a portable install is the ability to run comparisons via scripts without a GUI. This is perfect for automated nightly reports on a USB drive plugged into a server. Creating a portable comparison script: Save this as compare_script.bat inside your portable XLCompare folder:

The answer is the . Unlike a standard installation that writes to the Windows Registry and spreads files across AppData and Program Files, a portable installation lives entirely in one folder. You can put it on a USB stick, a cloud-synced folder (Dropbox/OneDrive), or an external SSD. xlcompare portable install

On modern USB 3.0+ drives, the portable performance penalty is negligible (under 10%). The real bottleneck is Excel itself, not XLCompare’s executable location. Part 9: Keeping Your Portable XLCompare Updated One downside of portable installs is manual updates. You cannot rely on the built-in auto-updater because it writes to Program Files. @echo off set XLCOMPARE_PORTABLE=1 start XLCompare