Media Compression

InstallShield 2020 Express Edition

Each release type (for example, CD_ROM, DVD, and SingleImage) that is available in the Releases view includes a setting called Compression. If you want to use a compression algorithm that will decrease the size of your installation, select Compressed for this setting. With this setting, your installation files are compressed into .cab files.

If you do not want your files to be compressed on the release media, select Uncompressed for the Compression setting.