How to compress a folder with 7zip

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However, you can shrink image files like TIFF or RAW or AIFF and WAV for audio because they are all lossless (uncompressed) formats. For example, audio and video files such as JPEG or MP3 files since they are already heavily compressed. You Can’t Successfully Compress EverythingĪlthough some files can compress well and save you a decent amount of storage space, there are certain files that don’t compress well.

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You will see how to do all that in this article. Second, you may either use some zipping alternatives or split the zip into smaller files. First, you should know which files are suitable for compression. However, there are other compressing methods that are more effective than ZIP. So zipping a zipped file won’t do anything, and on some occasions, it can make the size even bigger. Once you squeeze the files to their minimum size, you can’t squeeze them again. Unfortunately, there isn’t a simple method to make a ZIP file smaller.