Compress Os Drive. "Compress your OS drive" is not a file but an option you can check to free up your C drive. I never compressed my drive, why there is "compress your OS drive" option over there?
Windows File Compression automatically compresses files so that they take up less space. Data is compressed and decompressed as it is read/written. Unlike a file compression utility, which compresses only specified files—and which requires the user to designate the files to be compressed—an on-the-fly disk compression.
The "Compress your OS drive" (i.e.
This is not user level compression like a Zip.
Place a check mark by the item Compress. If you compress your drive, depending on your usage habits, you should probably have anywhere If you compress this drive then each time the computer needs a system file it will have to calol a. I have no compressed file systems on any of the computers I run.