There is no guarantee. Microsoft regularly audits and blocks keys that are being used in violation of licensing terms. The key could be rendered invalid at any time, leaving you with an unlicensed copy and no access to your files or updates.
If you are a student or educator, you can often obtain a free or heavily discounted license for Microsoft Office. Conclusion There is no guarantee
Even if a free key initially seems to work, you may find that the activation suddenly stops. Keys can be blocked by Microsoft at any time, leaving you without access to your documents and unable to edit files. You might also find that essential features are locked, cloud services do not work, or the software crashes frequently. If you are a student or educator, you
Access, Publisher, Skype for Business, Teams. You might also find that essential features are
: Free keys found online are often Generic Volume License Keys (GVLKs) or KMS keys, which are meant for organizational servers and may not stay activated on a personal machine. Using them can violate Microsoft's Terms of Service .