A4T4G‖Choose Format - Align - Centered (LibreOfficeDev Writer, LibreOfficeDev Calc).
ZYyu9‖Choose Shape - Align - Centered (objects selected) (LibreOfficeDev Draw).
gFmHK‖Open context menu - choose Align - Centered (objects selected) (LibreOfficeDev Impress, LibreOfficeDev Draw).
7FTrD‖On Align bar (LibreOfficeDev Impress, LibreOfficeDev Draw), click
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