>using office exchange portal
Do you using Exchange online? I have help you change the Tag to the suitable one "Exchange online it-pro".
Here are some test for you:
- Add Note in Exchange online:
- Connect to Exchange Online PowerShell, then check with command below:
- About checking in Outlook, if you are using Outlook in Cache mode, it may consume a long time to sync the change. I would suggest you try to run Outlook in Online mode, then will could find it quickly(Open address book, then double-click on this group, you will could see the Notes):
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