Change from XL as default
How do I change my iMac default settings so xls/xlsx files automatically open in something like LibreOffice instead of Excel?
iMac Line (2012 and Later)
Question marked as
Pretty simple to do:
Select a file and type Command + I and you will see something like:
Then change the default app to what you want. You will need to do this with each of the file types you want to change.