Ajuda del LibreOfficeDev 25.8
Selects all entries, including subfolders, in the lower part of the database window.
Selecciona tot el contingut del fitxer, del marc o de l'objecte de text actual.
To select all of the cells on a sheet, click the button at the intersection of the column and row header in the top left corner of the sheet.
To select all of the sheets in a spreadsheet file, right-click the name tab of a sheet, and then choose Select All Sheets.