LibreOffice 25.2 Help
Pressing the CommandCtrl+Enter keys inserts a manual line break. This shortcut works directly in the cell or in the input line. The input line can be expanded to the multi-line by the Down arrow button on the right.
Yoo barruun akka ufmaan xiyyoo mirgaa maadheetti citu barbaadde, akka armaan gadiitti itti fufi:
Maadheelee hunda bakka barruun xiyyoo mirgaa irratti akka citu barbaaddu filadhu.
In Wrap text automatically option and click OK.
, mark theFor automatic wrapping in XLS files, the rows in question should be set to Optimal Height.