To extract and compress your files, 7-Zip is a great
free WinRAR alternative.

The 7-Zip interface is similar to that of its
competitors, with a main file manager and a command
line to search and select files to extract or
compress. The control panel has the essential basics
like extract, add and test, as well as copy, move and
delete functions to manage your files. 7-Zip extracts
and compresses files as fast as WinZip and WinRAR and
handles the main archive formats like ZIP, TAR, RAR
and ISO.

The archiving process is where 7-Zip differs most from
its rivals. Where WinZip only lets you compress to ZIP
and WinRAR to RAR or ZIP, 7zip offers you up to 5
different archive formats to choose from. 7-Zip lets
you choose the update mode, depending on whether you
want to add and replace files, refresh the archive or
just synchronize files. If you don't want somebody
opening up your archive without your permission, you

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