The standard installation of Microsoft Office 2007 Enterprise or Ultimate could easily exceed 1GB to 2GB of disk space. For the era's hardware—often limited by small USB flash drives (128MB or 256MB were common) and slow internet speeds—a full installation was impractical for "on-the-go" work.
It is compressed to approximately 100 MB by removing non-essential components such as Clipart, Help files, templates, and non-English language packs. Microsoft Office -2007- -Portable- Word ExCel Only 100 Mb
Ultimately, this 100 MB miracle is a testament to how efficient software used to be. While Microsoft has moved on to the cloud, the legend of the Portable Office 2007 (Word & Excel only) lives on in the USB drives of technicians and minimalists worldwide. and non-English language packs. Ultimately