.CIL File Extension
File TypeClip Gallery Packaged File
What is a CIL file?
Compressed clip art format used by Microsoft Clip Gallery, a program used to manage clip art images for Microsoft Office applications; stores .WMF files and other images in a compressed package; also includes keywords and other metadata.
CIL files are commonly used to share clip art on the Web. They can be downloaded from Microsoft's Clip Art & Media website.