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Learn, share, and get recognized
I am using an iMac (27-inch, late 2013) running OS 10.10.5 Yosemite. "One account for everything Apple" will not recognize my Apple ID password. Other three Apple devices recognize password. I cannot share calendar and contacts with my other Apple devices.
iMac 27″, 10.10
I am not sure, but I suspect it has to do with your very old/outdated OS version. Yosemite was introduced in 2014 and the next version in 2015, etc. Newer features are most likely not backwards compatible that far. I am surprised you have a functioning browser.
You might want to consider updating a bit - see this discussion:
iMac 2013 update OS - Apple Community
I am not sure, but I suspect it has to do with your very old/outdated OS version. Yosemite was introduced in 2014 and the next version in 2015, etc. Newer features are most likely not backwards compatible that far. I am surprised you have a functioning browser.
You might want to consider updating a bit - see this discussion:
iMac 2013 update OS - Apple Community
Thank you for your reply.
I used to be able to share contacts and calendars automatically and conveniently with all of my other Apple devices using iCloud. Suddenly iCloud stopped recognizing my Apple ID password and I was unable to share contacts and calendars. OS updates after 10.10.5 are not compatible with the financial software that I run on Windows on my iMac via VMWare Fusion. Apparently my only option will be to upgrade my OS and all other software. My Firefox browser 78.15.0esr (64-bit) is up to date and runs well. I have had only Apple and Mac devices since 1984.
If you want to stay with Yosemite, I have no other Ideas for you - sorry.
"One account for everything Apple"
