It was originally open-source, under the GPLv3 license, but later freeware releases reported "Due to various circumstances, distribution of the source code is temporarily suspended".
[3] It can run as a free-standing portable application or be integrated into the Windows shell, and claims to achieve reading and writing performance close to the device limit.
[1] In a test conducted in 2008 by lifehacker, Fastcopy was several times faster than its rival Teracopy,[4] a program with similar functionality.
[6] FastCopy does not use Microsoft's API and places its own calls to the NT kernel, allowing operations with path names longer than 260 characters.
Bogdan Popa, who reviewed FastCopy 3.92 in Softpedia, praised the product as being "An overall efficient and reliable file management tool" and gave it 4.5 out of 5 stars.