The "Deep Feature" you are looking for is the , which allows the software to run without installation, combined with Local KMS Emulation , which handles the licensing without a legitimate server. These two technologies combined allow the 2013 software to remain usable on modern 2021+ operating systems without a standard install.
: No installation required (portable), includes the full Pro Plus suite (Word, Excel, PowerPoint, Outlook, Access, Publisher, Lync, InfoPath), and optimized for older hardware. microsoft office professional plus 2013 portable 2021
The portable version of Microsoft Office Professional Plus 2013 offers a range of exciting features, including: The "Deep Feature" you are looking for is