7-Zip is an open source compression software with extremely high compression ratio. 7zip supports multiple compression formats, among which the 7z format usually provides higher compression rates. Make sure you select the 7z format for compression. So, how does 7zip compress 1G files to 200M? How to decompress files with 7zip? Let the editor answer it for you today.
1. How to compress 1G files to 200M with 7zip
1. After downloading and installing the 7zip software
2. Find the 1G file you want to compress, right-click and select 7zip, "Add to compressed package".
3. 7-Zip provides a variety of compression algorithms, among which the LZMA algorithm has a higher compression ratio and better compression speed. This selection can be made in 7-Zip's compression dialog box.
4. You need to choose a higher compression level, such as level 6 or 7.
5. Click the "OK" button to start file compression.
6. Compression completed
2. How to decompress files with 7zip
first step
Open the 7-Zip software, select the compressed package to be decompressed, and then click the [Extract] option in the menu. 7-Zip's "Extract" means decompressing.
Step 2
If you select "Extract to the specified folder", specify the saving path of the decompressed file, and double-click [OK] to start decompressing the file.
Step 3
The decompression is complete and the decompressed files can be found in the output folder.
The decompression method of split-volume compressed packages is the same as that of ordinary compressed files, but only the first compressed package needs to be decompressed, and other compressed packages will be decompressed automatically.
Supported formats:
Compression/decompression: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
Decompression only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z
The above is what the editor of Huajun compiled for you.How does 7zip compress a 1G file to 200M? How to decompress files with 7zipHere’s a guide, I hope it helps you
