Susen, .xlsx is a proprietary file format for M$’s spreadsheet program. The easiest way I’ve found to deal with them is to convert them to .ods (open document spreadsheet format) through the online tool available at https://www.zamzar.com/. I believe they will convert five files at a time for free.
Sent from my iPhone > On Jan 27, 2024, at 2:38 PM, SUSEN KAY <susen...@cox.net> wrote: > > I need to open some xlsx files and I can't figure out what file format to > use. > > I go to "spreadsheet" and then click on my file xlsx to open, but I am then > asked to pick a file format and none of them seem to work. > > Can you help me please? > > Take care, > > Susen
