Update 02-13-2020: I created a PowerShell script that exports variable sets to an Excel file. It will create a tab for each set. The script can be found on GitHub – https://github.com/mscribellito/Octopus-Variable-Set-Export.
I received a request last week from a colleague wanting me to export a Variable Set from Octopus Deploy. The web interface does not offer this functionality and if you attempt to copy & paste from the UI, you get something very ugly. Below is what our Test variable set looks like: