The existence of this specific file name is tied to the Volume Licensing Service Center (VLSC). When an enterprise buys 50, 100, or 10,000 licenses, they do not go to a store to buy boxes. They access the VLSC portal.
Inside the portal, they see a list of downloads. They might see options for "Office 2016 Standard" or "Office 2016 Professional Plus." They select the language and architecture. The system then generates the download link with the filename sw-dvd5-office-professional-plus-2016-w64-english.iso.
The Role of KMS and MAK: Because this is a volume license image, it does not require a product key during installation in the traditional sense. Instead, it expects activation via: sw-dvd5-office-professional-plus-2016-w64-english
You're asking about "sw-dvd5-office-professional-plus-2016-w64-english" — that filename typically refers to the official DVD-style ISO/installer image for Microsoft Office Professional Plus 2016, 64-bit, English.
Downloading this file from unauthorized sources (torrents, file‑sharing sites, or unlicensed archives) may: The existence of this specific file name is
An authentic Microsoft Office 2016 Professional Plus ISO from the Volume Licensing Service Center has a file name like:
SW_DVD5_Office_Professional_Plus_2016_64Bit_English_MLF_X20-42432.ISO
The official file is MLF (Microsoft License Fulfillment) and includes a specific part number. The pirate version drops the MLF and the part number, often modifying internal setup files to bypass activation. This means you have a newer Microsoft 365
This means you have a newer Microsoft 365 subscription or a conflicting "Click-to-Run" product installed.
This is usually a compatibility issue.