: Since the YMV8X key is a Volume License key, it requires a connection to a specific corporate server to "verify" the license every 180 days. Without that server connection, the software will eventually enter "Reduced Functionality Mode."
: Most retail keys have a "maximum activation" limit. Once that limit is reached, Microsoft’s servers will block any further attempts to use that key.
: If you need a desktop application, LibreOffice and FreeOffice are completely free, open-source suites that are fully compatible with .docx and .xlsx files. Conclusion