Native handling of BMP, JPEG, PNG, and TIFF formats. How to Get Microsoft Office Picture Manager 2010
Seamlessly share images directly into Word, Excel, or PowerPoint. Windows Photo Viewer: microsoft photo viewer 2010
Automatically adjusts brightness, contrast, and color balance. Native handling of BMP, JPEG, PNG, and TIFF formats
Both programs offered distinct advantages that many users still prefer over modern alternatives: Native handling of BMP
While it was removed from Office 2013 and later, you can still install it for free as a standalone tool: Where is Picture Manager? - Microsoft Support
Opens large image files almost instantly, even on older hardware.
Easily resize, rename, or compress hundreds of photos at once.