A: 4K â also known as UHD (more on this in the next answer!) â is a picture technology that quadruples the number of pixels found in a full HD picture. These pixels are usually arranged in a 3,840 x 2,160 configuration, compared with the 1920x1080 you get in a full HD TV.
Files with the .7z extension are very similar to Zip files. These files are compressed archive files, usually created by the 7-Zip file archive utility. 7Z files can make it easier to send files and folders over email and the Web.
3. Once the 7zip file is open, Click the convert icon. Then select zip from the format dropdown list as shown below and finally click OK to start the converter. 4. That's it! Bitser will begin converting the 7z file as shown below and upon completion open the new zip file.