The file extension is as significant as the software itself. Developed by Igor Pavlov for the 7-Zip archiver, the .7z format is renowned for its superior compression ratios compared to ZIP or RAR. By distributing Bandicam as a .7z archive rather than a standard .exe installer, the distributor makes a deliberate choice for efficiency. The file size is reduced significantly, which minimizes download time and bandwidth usage—a boon for users with limited internet connections or for archival purposes.

: Supports AVI 2.0 extensions, allowing for files only limited by hard drive space.

More importantly, the .7z archive implies a . Advanced users can extract the contents directly, bypassing the traditional installer, and run Bandicam.exe after manually registering the codec filter. This "install-less" operation is highly valued in: