What are your machine specs?
Windows or Mac, 32 or 64 bit? how much RAM?
Barry.
One of the forum moderators. Versions 6.5 to 27 i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10 Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
3 days later, i managed to open the 4th file for no reason (to me). i don't understand that why i couldn't open before. i don't check the size of the files but maybe the problem was it.
thanks to barry & laszlo