Hey
@RayM - welcome to Computer Forums
As
@strollin has pointed out a local backup is helpful, especially if you do a whole system backup (it's a feature that's built into Windows & relatively easy to do - I must admit I should do this more often but I no longer have a NAS running to backup to)
Ultimately no cloud solution will run forever - Microsoft might decide to shut down Onedrive for example. I myself stored some treasured pictures on Dropbox many years ago - went to download them only to find my account expired (and the notifications went to my old email).
It's always good to have multiple copies, even better to have them in different locations.
Another thing worth bearing in mind is if you rely on cloud sync and...