Menu Vložiť

Choose Insert - Comment.

Press +C.

Choose Insert - Media - Scan.

Choose Insert - Media - Scan - Select Source.

Choose Insert - Media - Scan - Request.

Choose Insert - Special Character.

On the Standard or the Insert bar, click

Choose Insert - Media - Audio or Video.

Choose Insert - Audio or Video.

Choose Insert - OLE Object.

Choose Insert - OLE Object - OLE Object.

On the Insert bar, click

Choose Insert - OLE Object - QR and Barcode.

Choose Insert - OLE Object - Formula Object.

On the Insert bar, click

Choose Format - Chart Type.

Choose Insert - Chart .

Choose Format - Chart Type.

Choose Insert Chart.

Choose Format - Chart Type.

Choose Insert - Chart.

Choose Insert - Chart.

On the Insert bar, click

Choose Insert - Image.

On the Standard bar, click

On the Insert bar, click

Open a file of a type that is unknown to LibreOffice and that is no text file.

On the Fontwork bar, click

Choose Insert - Fontwork

Choose Insert - Signature Line