Traditional compression method

The first option group "What file is WinRAR associated with" is used to select the compressed file type to be processed by WinRAR, and the file extensions in the option are various compression formats supported by WinRAR.

Byte "and" compression mode "refer to the degree of compression, high compression, medium compression and so on. "Compressed Volume Size Bytes" means that a file can be compressed into two or more files, and a file can be compressed into multiple volumes.

It's simple. Right-click the file. If WINRAR is installed correctly, the display will be added to * * *. Rar, that is, compress this file. Unzip the right-click file, and choose to unzip the file or release it to a folder named after the file name.

Your file name) ",if you don't add a password, you can choose the second one. If you add a password, you can choose the first one-"Advanced-"to set the password. Just enter the password and confirm it. If you want to compress multiple files, create a folder, put all the files to be compressed in one folder, and then right-click.

Reduce the video size, for example, the original 800x600, and now you are 400x300, then you are almost the original 1/4. Change the file format, for example, change avi to rm. This will keep the image size unchanged, but the image quality will be reduced.

Winrar bulk compressed folder: just select the file to be compressed and right-click to select "Add to Compressed File". Click the "Files" tab in the pop-up dialog box, check "Put each file in a separate compressed file" and click "OK".