.msp

File Type 1 Generic IconWindows Installer Patch
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually
Rank ★ ★ ★  Common
Description

File used to update the Windows operating system and other Microsoft programs; typically included with security updates or Microsoft hotfixes; run by the Windows Installer programs Hotfix.exe and Update.exe.

Open With
Windows

IconMicrosoft Windows Installer

Updated 2007
File Type 2 Generic IconMicrosoft Paint Bitmap Image
File Format Proprietary (Microsoft)
Usage Open manually
Rank ★ ★ ☆  Average
Description

Monochromatic (black and white) image file created by Microsoft Paint, one of the first painting programs released by Microsoft; also used for storing older clip art images.

Open With
Windows

IconMicrosoft Paint

IconCorel PaintShop Pro

IconSerif PhotoPlus

Updated 2007
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