49904: Rar

Solid mode is typically only available when creating files in the RAR format , not ZIP.

Are you getting an when trying to open a file? Are you trying to create a solid archive and need settings? 49904 rar

Instead of compressing each file independently, a solid archive treats all files within it as one big block of data. Solid mode is typically only available when creating

Extracting a single file from the middle of a large solid archive can be slower, as the archive must read through all preceding data. an emulator)? Solid archives - WinRAR

What are you using (WinRAR, a library, an emulator)? Solid archives - WinRAR