It's on everyone's computer in the office, and doesn't require internet or training outside of your non-tech specialty. Also, there's a TON of .xlsx files in t

It's on everyone's computer in the office, and doesn't require internet or training outside of your non-tech specialty. Also, there's a TON of .xlsx files in the wild with years of business knowledge and processing. Everyone uses about the same 50% or so of Excel, which is captured in Google Sheets and any other spreadsheet. It's the extra 20% that everyone else uses -- and it's a different 20% for everyone -- that causes the issue of entrenchment.