It was deprecated and replaced by CSV in a recent version. Excel (and other spreadsheets) can read CSV fine, although I'm not convinced the CSV exports are quite up to it yet.
It is possible to re-enable it if you have server JIRA, but I don't know when that will go away.
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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