However, Microsoft officially discontinued Picture Manager with the release of Office 2013. It was replaced by the "Picture Tools" functionality built directly into Word, PowerPoint, and Excel. While these internal tools were functional, they lacked the standalone, file-management capabilities that made Picture Manager so popular. This discontinuation marked the beginning of the end for the software, leading to the current vacuum that Mac users are trying to fill.
That said, here are your best that provide similar or better photo management and editing features:
Is "Office Picture Manager" available for Mac? - Microsoft Q&A microsoft office picture manager for mac download free new
A quick search for "Microsoft Office Picture Manager for Mac download free new" might lead you to many third-party websites promising a free copy. But before you click on any of those links, it's essential to understand the reality of this software's status and the potential risks of downloading software from unofficial sources.
There is . Microsoft developed that software specifically for Windows (it was part of Office 2003–2010). This discontinuation marked the beginning of the end
Because the original software was compiled strictly for Windows architectures (32-bit and 64-bit PE binaries), there is no official, native .dmg or .pkg installer for macOS. Any website claiming to offer a "direct, free, native Mac download" of the traditional software is highly suspect and should be avoided to protect your system from malware. The Best Free Native Mac Alternatives
— it was a Windows-only application included with older versions of Microsoft Office (2003, 2007, 2010). Microsoft discontinued it entirely after Office 2013. But before you click on any of those
The core issue facing users searching for a "new" version of Picture Manager for Mac is a fundamental one: Microsoft never actually created a version of Microsoft Office Picture Manager for macOS.
If your primary use of Picture Manager was “Compress Pictures” to reduce file size for emails or web uploads, ImageOptim is better.
The successor to iPhoto, it handles organization and basic color correction automatically. Apple Support Community (Best for Organization) Where is Picture Manager? - Microsoft Support