: Files saved in the 2021 format are significantly smaller—sometimes reducing a 1.28 GB file to just 480 MB—because the .skp format itself became a compressed zip archive.
: Significant organization upgrades allowing users to group tags into folders and filter them by name for faster workflows. Pros and Cons SketchUp 2021 Review - MasterSketchUp.com Download Sketchup 2021 zip
Downloading as a ".zip" file is generally a process reserved for offline installers or unofficial third-party sources, as the standard official installer is usually an .exe (Windows) or .dmg (Mac) file. Key Features of the 2021 Version : Files saved in the 2021 format are