A: No. Portable versions of Office run from USB drives but still require 2+ GB. Any 500MB portable version is either a scam or crippled to the point of uselessness.
The highly compressed version of Microsoft Office 2019 offers several benefits, including:
A distraction-free way to draft documents.
Unofficial compressed versions may lead to frequent crashes, missing features, or an inability to receive critical security updates from Microsoft Support Why You Should Avoid Unofficial 500MB Downloads
If you’ve searched for “Microsoft Office 2019 highly compressed 500MB extra quality,” you’re likely looking to save disk space, bandwidth, or both. The promise is tempting: a full-featured Office suite shrunk to the size of a smartphone video. But before downloading anything, you need to understand what such files really contain—and the risks involved.