A portable application runs from a removable storage device without modifying the host computer's registry or file system. Acronis does not officially manufacture, sell, or support a "Portable" edition of Acronis True Image 2021.
It operates in a "pre-boot" environment (WinPE or Linux-based), ensuring that system files are not "in use" during the backup process, which often leads to cleaner clones. How to Create the Official "Portable" Version Acronis True Image 2021 Portable
Acronis True Image 2021 Portable is a modified or self-contained configuration of the standard Acronis True Image 2021 software. Unlike the standard installer, which integrates deeply into the Windows registry, system services, and background drivers, a portable version is designed to run directly from an external storage device, such as a USB flash drive or an external solid-state drive (SSD). Official vs. Unofficial Portable Formats A portable application runs from a removable storage