If you need a lightweight or free office suite, consider these supported alternatives: Free Online Suites Microsoft 365 Online
If you own a valid license and product key, you can manually create a mobile version: Support has ended for Office 2003 - Microsoft Support Microsoft Office 2003 Portable Download REPACK
: Microsoft officially ended support for Office 2003 on April 8, 2014. According to Microsoft Support, the software no longer receives security updates, making it highly vulnerable to modern exploits. If you need a lightweight or free office
: These "repacks" are often hosted on unverified platforms like The Pirate Bay or 1337x, which are primary vectors for trojans, ransomware, and spyware hidden within the executable. 2014. According to Microsoft Support