If you absolutely need an offline installer and don't have the space for the official Office suite, download LibreOffice . It is open-source, completely free, and legal. It is compatible with Word and Excel files (.docx, .xlsx). While the full install is larger than 100MB, it is significantly smaller and lighter than the full Microsoft suite and contains no viruses.
Downloading software from unofficial, third-party sources—especially those promising extreme compression—poses several dangers: Disk Size Used after installing Office 2013 - Microsoft Q&A ms office 2013 highly compressed 100mb
This is the biggest risk. Cybercriminals know that "highly compressed" searches attract users looking to bypass security and payment. The 100MB .exe file you run is often: If you absolutely need an offline installer and
This can reduce the install size to about , not 100MB, but it’s clean and safe. While the full install is larger than 100MB,
Office 2013 includes the following applications: