Довідка LibreOfficeDev 26.2
Selects all entries, including subfolders, in the lower part of the database window.
Виділяє весь вміст поточного файлу, фрейму або текстового об'єкта.
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.