Save this as BackupUnity.bat . Every time you double-click it, SuperCopier 5 will quietly queue a full backup of your project to an external drive without interrupting your Unity workflow.
Standard file-copying tools often follow a "Freemium" model: Free Version Pro / Premium Version Basic Copying Resume Support Enhanced / Auto-Resume Speed Limits Advanced Throttling Community-based Priority Technical Support Windows/Linux Windows/macOS/Linux Ultracopier 2.2.6.4 For Windows | Download supercopier 5 unity free
You can find the free version on trusted software repositories such as Uptodown or SourceForge . Save this as BackupUnity