Swdvd5-office-mac-serializer-2024-mlf-x23-81811... Extra Quality -

: They then run the Serializer (the file you mentioned). It’s usually a very small .pkg file that runs in seconds.

: During installation or when you first open an Office application, you'll be prompted to enter your product key. Enter the key when asked. SWDVD5-Office-Mac-Serializer-2024-MLF-X23-81811...

: This is a specific Microsoft Part Number used to identify that exact software build in their catalog. How it is Typically Used : They then run the Serializer (the file you mentioned)