To start: there is no version 2014 of Microsoft Office.
That’s why I was intrigued when I saw User Agent String “Microsoft Office Excel 2014” appearing in Wireshark when I did some tests with Excel’s data importing features.
With Excel 2019, when I get data from a CSV file and provide an URL (in stead of a local filename) like this:
Excel will issue several OPTIONS and HEAD requests, with different User Agent Strings:
And finally, a GET request to download the file:
Xavier Mertens has mentioned User Agent String “Microsoft Office Excel 2014” in another context: “Microsoft Apps Diverted from Their Main Use“.
- Microsoft Office Excel 2014
- Microsoft Office Excel
- Microsoft Office Protocol Discovery
- Microsoft.Data.Mashup (https://go.microsoft.com/fwlink/?LinkID=304225)
Didier Stevens 