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Log into the Jira server as administrator.
From the Administration menu, select Manage Apps.
In the left column, select Manage apps .
By default the user-installed apps are listed in the right frame. The Outlook Connector for Jira should be listed.
From the app list, select Outlook Connector for Jira.
To uninstall the Outlook Connector for Jira, select Uninstall.
To confirm, click Uninstall add-on in the confirmation dialog.
The app is removed and a confirmation should appear on the "User-installed add-ons" list.
If you click the Reload button in your Web browser, the Outlook Connector for Jira should be removed from the list of "User-installed add-ons".