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CUR file format
Remember the ubiquitous cursor on your Windows PC; the existence of such graphic cursors was made possible by creating CUR files. Cursors come in different forms – arrow, hourglass, or the more recent spinning loop. The first CUR file format to enjoy commercial use was incorporated into Microsoft's Windows 1.0 in 1981. With the introduction of more interactive cursors, users could change their cursor preferences from a list of pre-installed options. However, editing a CUR file itself will be nothing short of a hassle, especially for users without the technical know-how.
CUR files were developed as an offshoot of the ICO file format, which is simply the rendering of an image at different sizes and shades. To make a CUR file out of ICOs, software engineers tweak the ICO document by including information that defines the cursor's default position on the computer screen. Just like ICO files were improved upon, recent Windows come with ANI files as a replacement for the not-so-dynamic CUR files.
ACD Systems SCDSee 18 (Windows)
Axialis CursorWorkshop (Windows)
Corel PaintShop Pro X8 (Windows)
Greenfish Icon Editor Pro (Windows)
Inkscape (Windows, Mac, Linux)
Snap Converter (Mac)