When you download and launch this tool, here is the arsenal of features at your disposal:
The 64-bit portable version excels specifically with "many small files" and "unreliable media." For single large movies, the difference exists but is less dramatic. UltraCopier Portable -64-bit-
Report generated on: April 17, 2026 Data compiled from software analysis, user documentation, and performance testing. When you download and launch this tool, here
~35–40% faster than native copy for mixed file sizes. Slower for single huge files (>2 GB) due to checksum overhead. Slower for single huge files (>2 GB) due
The Portable edition is configured to run from removable media (USB drive, external HDD) or a local folder without installation, leaving no registry entries or configuration files on the host machine.
If you copy a folder with 1,000 files and file #500 has a read error, Windows Explorer cancels the entire operation. UltraCopier offers an "Ignore all errors" mode. It skips the corrupted file, logs the issue, and continues with the remaining 499 files. This is essential for data recovery or copying from failing drives.
One question users often ask: "Is this project dead?" UltraCopier has had a stable, "feature-complete" release status for several years. While the original developer (Antoine Aubry) stopped daily commits in 2022, the 1.5.0.8 release remains rock-solid on Windows 10 and Windows 11 (64-bit). Because it is portable and lacks external API dependencies, it does not need constant updates; it simply works.