Advanced users often create batch scripts to automate metadata processing. By keeping in a specific folder on an external drive, you can point your scripts to a relative path (e.g., .\bin\exiftool.exe ), ensuring your workflow remains functional regardless of which computer you plug your drive into.
Many corporate environments, library computers, or school workstations have administrative restrictions that prevent users from installing new software. With the version, you can run the tool directly from a USB flash drive without needing admin rights or an installation wizard. exiftool portable