For new users, or those not aware of this Windows 10 compression feature...
LZX compression is quite amazing on Windows 10, especially if a mod has a lot of Kn5 and DDS files. With an HDD and fast CPU, this does reduce loading times, though it's marginal. Either with SSD or HDD, the files are smaller, so they read faster. The most significant benefit however, is saving disk space. For example, having 1.2GB or so of mods on a 500GB drive! I've been using this for over a year, and it's very reliable and efficient.
Content Manager has this compression feature in the Content > Tools menu to compress your cars and tracks folders. You can also use
CompactGUI[2] to compress specific folders (select them by clicking on the blue bar) as well as the extensions folders and others that may contain additional Kn5 and DDS files. In both cases, they only compress new files, so you can compress occasionally as you add new mods.
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