On 14/12/17 14:46, DerbyBorn wrote:
I have uploaded a few "unlisted" videos on Youtube, but a mate is asking me
about how to enable his Institute to upload videos of lectures that could
be of about 90 minutes duration - so that members who do not attend could
log on and watch.7

It seems YouTube is limited to 15 minutes.

Any suggestions?

Try dailymotion.com I've put longer videos up there.

Nick