Many schools and universities provide Microsoft 365 for free. Check your institution email on the Microsoft Education portal to see if you qualify.
Use the Office Customization Tool to select only the apps you need (e.g., just Word and Excel), which significantly reduces the initial download size.
Standard file compression (like ZIP or RAR files) reduces file sizes by removing redundant data. However, software installation files are already tightly packed. It is mathematically impossible to safely compress a 3GB Microsoft Office installer down to 200MB or 500MB without permanently damaging the software. download microsoft office highly compressed
Use the official Microsoft Office free web apps (Word, Excel, PowerPoint online) or try LibreOffice or OnlyOffice — both are free, lightweight, and safe. For offline use, Microsoft offers a one-month free trial of Office 365, and students/teachers may get it free through their school.
Download and install or reinstall Office 2021, Office 2019, or Office 2016 Many schools and universities provide Microsoft 365 for free
Legality and licensing
Looking for a "download Microsoft Office highly compressed" link? Before you click, read this guide on the risks, legal alternatives, and how to get small-footprint Office versions. Standard file compression (like ZIP or RAR files)
For advanced users and IT administrators, the official Office Deployment Tool allows you to customize exactly what gets downloaded. Instead of downloading the massive entire suite, you can configure an XML file to download only the specific apps you need (e.g., just Word and Excel) and remove extra language packs. This significantly reduces the initial download size and final storage footprint. 2. Leverage Office Online (Free & No Download)