Why is the Modified Date on an email activity updated when I simply view the email?

I have been reviewing emails tied to cases where the case has more than 10 emails. In doing so, I search for all the emails in the Activity section of the Customer Service Hub. After opening the emails to review them, I notice that the Modified Date changed to when I opened the email. However, I didn’t do anything but open the email and read it. Help? Why does this happen?



I’ve seen this happen if there are business rules or javascript on the record. These will change the record when you open it. Sometimes you will be prompted to save your changes, but it is possible to have the record automatically save.

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Yes I’d agree to check what Jonathan mentions! Typically, there’s a workflow or flow in Power Automate that touches the records and marks it as modified.