For example, the Save icon folder has 40 versions which together are 24.9KB.

Most icons have different flavors such as grey/inverse/thin/thingrey/small/medium. Some icons have various size/resolution versions in each format up to 256x256 size and 32bit pixel depth. Icons are still sorted into folders for the individual icon types that contain the different formats. This release largely abandoned the Adobe Illustrator (.ai) file type. The 2017 release has 12.5 MB of content and 4013 icon types (BMP/SVG/PNG/XAML). The Save icon folder has 33 versions which together are 19.8KB, due to removed BMP and SM/MD types. It changed folder name conventions (such as AddRowToAbove became AddToRowAbove, column icons such as 1x and 2Columns became verbose such as TableColumn and SecondOfFourColumns, Silverlight/Azure prefixes were removed). It also added some handy icons (CloseAll, Trash, AlignCenter, AlignMiddle, SkipFile, SmartFilter, Sort, StatusReady, Target, UserGroup). This release got rid of many BMP icons, as well as the size variations used for overlays when making custom icons (SM/MD). The 2019 release has 10.3 MB of content and 4085 icon types (SVG/PNG/XAML). The icons do look cleaner across the board and have a more consistent feel than past releases. It also renamed many icons again (such as SaveStatusBar became StatusBarSave) and dropped the _16x suffix on all icons.

This release got rid the folder structure entirely and got rid of ~5000 variants (like save_grey and RunTest_inverse). The 2022 release has 12.1 MB of content and ~4000 icon types (SVG/PNG/XAML). Content is similar across releases, so you only need to download the latest release. They updated it for 2022 in early February 2022. The library is no longer included beginning with VisualStudio 2012.

Free icons for windows