A few months ago I migrated our Exchange to a new provider with a good and long-standing reputation. No issues so far -- except one.
I recently noticed that in the Notes field for a certain Contact, most of the lengthy text that was in there has disappeared, leaving only the beginning of the text.
It was gone from the local Windows 10 Outlook client, from the default Contacts app on the Samsung S22 Ultra Android phone using ActiveSync (and gone from the Outlook > Apps > Contacts module on the phone), and gone from OWA.
I asked the Exchange hosting provider for advice and they couldn't think of a cause or solution, or a way to recover past copies.
A few days ago, I noticed the same thing had occurred with another Contact I went into. This one had less text to start with and retained more text than the first case, and again it kept text at the beginning of the Notes field and lost all the rest (as if truncating it).
Now I'm concerned. I have no idea how many more contacts this has occurred with, nor what to do to prevent it (let alone how to recover lost information).
I've begun doing frequent exports from Outlook of my Contacts but that's not exactly a fix if there's something that's continuing to cause data deleation.
There are no third-party apps on the phone or on any other phone, tablet, or laptop associated with this Exchange account. I'm only using Outlook and telling it to Sync Contacts with the device's Contacts app. And FWIW I'm 99% sure that at least in the second instance, if not both, I did not edit and save the Contact on the phone (but maybe I did -- not that that should account for this kind of data loss or truncating, but I suppose it might if I did in fact save the Contact on the phone).
One thought I had is that the data may have been lost when the new Exchange host copied all the data from the mailbox from the previous Exchange host. I failed to create a PST export or pay the previous hosting company to make a backup for me before the migration. I was under severe pressure with the business and with the deadline before EOL with the previous Exchange host. All mailbox sizes (I moved six) seemed to indicate it went smoothly -- all were within about 10% or less of the size of the original mailbox. However, I'm 99% sure I recall having gone into one of those two Contacts and seen the entire Notes contents after the migration. I'm not positive, though. (The new Exchange host is trying to recover from a recent backup of theirs, which I think is only two weeks old.)
Any suggestions would be greatly appreciated.