I believe that the Atlassian Marketplace does currently have a few different plugins for Jira that could be used to connect Jira with another site/service such as Sharepoint. I'd recommend taking a look at these search results:
I hope this helps.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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