How to Compress and Decompress a ZIP file?
Anyone who ever completed a download from internet a file containing music or a chapter of a series, or a film, or any other type of file, know that usually these files (when not downloading using P2P as a Torrent or eMule, but through direct download) come with the extension .zip or .rar and that downloads once must be extracted into a folder to choice within the computer. These files are compressed files and to extract them, what we do is unzip them.
Compressed files are files that contain inside, at the same time, other files or documents that have been modified so that are smaller and can thus be more easily stored or transferred.
For this reason, files that may be too large to download from the internet or e-mail, as audio, image or video files are compressed and often also separated into several parts, so compression of files is a very useful tool for the exchange of files. Although probably many have already used this kind of files, now let's see how you uncompress and compress a file.
Different files contained in a zip or rar file can be compressed using different methods and staying within the file separately, so you can unzip or add new files without the need to decompress the entire file. A directory inside the zip file identifies which files contains and in what place within it. as we have seen, a file is compressed to reduce their size and thanks to this storage taking up less space or transfer it more easily. But only compressed files may be opened or modified through some specific programmes for this purpose. The most common are WinRar and WinZip.
In your daily use of the PC you often need to compress or decompress
files, for example, to reduce the size of a document and send it by email
or extract files from a compressed file that you've downloaded from the web. 7-ZIP is a free and open source, allowing you to compress and decompress files in the most popular formats. It compresses and decompresses files 7z, ZIP, GZIP, BZIP2 and TAR. Only unpack ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI,NSIS,
RAR, RPM, UDF, WIM, XAR and Z. compress ZIP files, decompressZIP files, ZIP files, windows, pc, pc solutions, extract files, GZIP, BZIP2, TAR, RAR files
How to download and install 7-Zip
Download 7ZIP and install it on your PC. The installation of the program is very simple. Just double click on the file you downloaded and follow the instructions of the installation wizard.
Click here to download 7-ZIP
How to unzip a file with 7-Zip
To unzip a file, right click on the compressed file (.) ZIP or. RAR), the drop-down menu select 7-Zip and click on one of these 3 options:
1- Extract the files:
allows you to select the folder where the extracted files will be saved. Click on the button with three dots and select the folder
2- Extract here:
unzip the file in the same folder that the original file is located.
3- Extract "file name": creates a folder with the name of the compressed file and then unzip the file. In the case that the file has a password, enter it and go.
Note:
If you downloaded a program or driver from CCM and the file is compressed, follow the preceding steps, and then press double click on the Setup file to install the program or driver.
How to compress a file with 7-Zip
Once downloaded and installed 7-Zip, click right on the file to compress and, from the drop-down menu, select 7-Zip and add to archive,A window appears, with the following sections:
File format: 7z is by default, but you can also compress in TAR, ZIP...
1- Compression level: allows you to choose the compression level.
2- Encryption: you can put a password so that only those who possess the password tounzip the file.
3- Click OK and expected duration of compression. The end will create a
compressed file in the same folder as the original file.
On Windows
Also you can use Windows Explorer to unzip zip files.
1. right click on the ZIP file and select extract all.
2. in the extraction Wizard dialog box, click the next button.
3. in the picture select a destination press the Browse button to set the destination folder where the result of the extraction will be copied.
4. click Next.
5. once concluded the process click the Finish button.
6. This action will extract the contents of this ZIP saved the executable file mrveghead.exe in the same folder where you have mrveghead.zip. In this case it's a file to runin local with a Flash
animation.
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