I'm afraid it is not possible to associate tickets between two JIRA applications under different domains using JIRA Cloud. To create this type of link, it would be necessary to configure fully reciprocal between your JIRA site and the other JIRA site containing the issue(s) you want to link to, and that's not allowed in Cloud.
Hi Atlassian community, My name is Max and I work on the product integration team at Atlassian. I am pleased to announce the early access program for the Jira Cloud add-in for Outlook. This add-in...
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