Make all text in the selected cells lowercase.
For example, "This is a test" becomes "this is a test."
Click
In MS Word you can use Shift+F3 to change the case of the selected text.
In LibreOffice Calc you can also use Shift+F3 to change case one by one.
If you often forget this keyboard shortcut, luckily you can also use the YLC Utilities extension to quickly change the case.
Just select the cells and then use this tool:
Using this tool, you are guaranteed to save time and effort. However, the actual time savings depends on how often you use LO Calc, the amount of data you are working with, and how often you use the tool.
If you don't already have YLC Utilities, you can download the free version "YouLibreCalc.oxt" or the full-featured version "YLC_Utilities.oxt" .