Справка Collabora Office 24.04
Reverses the last command or the last entry you typed. To select the command that you want to reverse, click the arrow next to the Undo icon on the Standard bar.
To change the number of commands that you can undo, go to the Expert configuration and set a new value of the property "/org.openoffice.Office.Common/Undo Steps".
Некоторые команды (например, изменение стилей) отменить нельзя.
You can cancel the Undo command by choosing
.При работе с таблицами базы данных разрешается отменять только последнюю команду.
If you change the content of a record in a database table that has not been saved, and then use the Undo command, the record is erased.
При применении нового формата к слайду список Отмена будет очищен.