Many files on your computer can get quite large. This is true of documents, text files, photos, and more. You can use WinRAR to

compress files into a RAR archive

and make them smaller.

Just what the heck are the RAR files that you sometimes see online? If someone sends you a compressed file with the .RAR file extension, you'll want to download WinRAR so you can open it. Extracting files is quick and easy.

There are a large number of compression formats available. The best known is the ZIP format created by Phil Katz in 1986. Another popular compression program is WinRAR. It creates compressed files that have the file extension .RAR.

Photos can be very large files and sending large files via email can be a problem. One way to reduce the size of your photos is to compress them with WinRAR. It makes the files smaller, puts them all into a handy RAR file package, and you can deliver them to friends and family.