Reviewers from platforms like MacUpdate and MacHow2 generally praise the app for its reliability and offline functionality. User Perspectives

VSDX Annotator (Version 1.16.1 U2B) by Nektony is a highly-rated utility for Mac users who need to view, annotate, and convert Microsoft Visio diagrams without running Windows. The "U2B" designation signifies it is a , meaning it is natively optimized for both Intel-based Macs and Apple Silicon (M1/M2/M3) chips. Key Capabilities

: Allows users to navigate multi-page documents, toggle layer visibility, and view shape data or hyperlinks.

: Includes 12 specific tools for adding notes, comments, shapes, arrows, and graphic images to existing drawings.

“It has allowed me to do my job in an efficient manner and deliver annotated versions of documents which my colleagues who are using Visio can read.” Apple Important Considerations

: Supports opening .vsd , .vdx , and .vsdx files with high-quality rendering that matches the original Visio display.