Go to Redmine tab at the Outlook ribbon and press a 'Task' button.
Note: you can automatically fill out the project field in the created task if you first select the project you need and then press the 'Create Task' button.
Will be opened a Task Details window:
Type a 'Name' for the issue (mandatory field) and select a project to include it in.
Other fields of the creating issue:
Project
Issue will be created in project which was chosen in this field.
Tracker
Tracker field, defines the nature of the issue. By default, Redmine comes with three different trackers: bug, feature, and support.
You can choose the tracker you need from available to selected project.
Status
List of list of available statuses to selected project.
Watchers
Display a list of all the users who are watching this issue. If the issue is updated, those users will be notified.
Assignee
Display a user who are assigned on this issue. If the issue is updated, those users will be notified.
Attachments
Files, that was added to this issue.
Custom fields
Additional information to several types of data used in Redmine.