: Because it is past its "End of Life," Microsoft no longer sells or provides standard downloads for this version. Safer Alternatives

: A standard Microsoft Office 2013 ISO file is approximately 2.1GB . While extreme compression (like .7z) can reduce file size, reaching 100MB without stripping essential core components is technically improbable.

That 100MB “highly compressed” Office 2013 isn’t a clever hack—it’s a trap. Protect your PC and data by using official software or free open‑source alternatives.

Microsoft offers stripped-down versions of Word, Excel, and PowerPoint completely free in any web browser. 0 MB (runs entirely in the cloud).

If you are looking for a lightweight or free office solution, consider these secure options:

: You can use the Microsoft 365 for the Web for free, which requires no installation and is always up to date.

The idea is technically possible but practically very dangerous. Here's how it works and why it's unsafe:

While the idea of a tiny, portable installer is appealing, these files are almost always dangerous for your computer. ⚠️ The Truth About "Highly Compressed" Files

Any website promising “MS Office 2013 highly compressed 100MB direct download” is either misinformed or malicious.

If you are looking for a small download size because of limited data or storage, several safe, legal, and free alternatives offer full compatibility with Word, Excel, and PowerPoint files: 1. LibreOffice : Around 300MB to 400MB.