Problem solved. RoryOF 5/1/21 enabled me to instal the OpenOffice download onto my iMac by getting past the gateway. (vis. For a solution read Q05/A05 in the Mac FAQ) But the method of getting past the gateway did not work when I copied the download onto a neighbour's iMac (which was not connected t...

Thanks, this works fine on my computer. But when I copy the open office download file to another computer iMac OS 10.15.7 the same Gateway procedure does not allow entry. It still says it is from an unidentified developer. I am doing this copying because the second computer is not connected to the i...

Having downloaded OpenOffice 4.1.8 My iMac won't let me open it because it says it is from an unidentified developer