I have a Libre Calc file for tax estimation that contains multiple tabs - one per year. My 2025 tab, for example, begins as a copy of the 2024 tab. I then make whatever changes are necessary for 2025. Sometimes I look at back at the previous tab. Unfortunately, sometimes I’ve forgotten which tab I’m looking at, and I accidentally make changes to the previous year cells, and I have to go back and undo the changes. So I’d like to make a specific tab (actually, all previous-year tabs) read-only (but not the “current” tab). Any ideas?
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Thank you. I was aware of the setting, but I misunderstood how the password would be used. It works just the way I need it to.