: Resolved critical issues, such as the "Find" command failing in 7z archives and errors when testing archives with encrypted filenames. 32-bit vs. 64-bit Differences
If you are running a 64-bit version of Windows (which 99% of users are today), always install the 64-bit version . The ability to use a 1GB dictionary vastly improves compression ratios on large files. WinRAR 5.01 -32bit - 64bit -full version
If you are splitting a large archive across multiple disks (e.g., backup to USBs), WinRAR 5.01 lets you create "recovery volumes." If one physical disk fails, the recovery volume rebuilds the missing data. : Resolved critical issues, such as the "Find"
The 64-bit version supports dictionary sizes up to 1 GB , allowing for much better compression ratios on large, similar files. : Resolved critical issues