The desire for an "MS Office 2019 portable version no need to install" is understandable. We all want frictionless productivity. However, Microsoft’s architecture is fundamentally opposed to true portability for its flagship product. The versions that claim to offer this are, without exception, either technically compromised or legally dubious.
Since a true, legal portable version of Office 2019 doesn't exist, here are the best workarounds that achieve the same goal: ms office 2019 portable version no need to install
Based on your real needs, here is the best advice: The desire for an "MS Office 2019 portable