Low-cost Mac App Store apps:

For quick tasks like resizing or converting file formats, is often more efficient than a full photo manager.

Microsoft Office Picture Manager is a legacy Windows-only application that was never released for macOS. While it is no longer included in modern versions of Microsoft Office for Windows, users on that platform can still install it as a standalone app via SharePoint Designer 2010.

Microsoft Office Picture Manager is not available for macOS , as it was developed exclusively for Windows operating systems. While Windows users can still download it through Microsoft SharePoint Designer 2010

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.