Planning Periods - Last Open Week
The Last Open Week can be changed from the Planning Periods section via General Settings.
You can plan in the future by extending the Last Open Week.
Recommendations are to set the Last Open Week to couple of years in the future.
To extend your planning periods, change the Last Open Week by clicking on the calendar next to Last Open Week. Once you change your Last Open Week, it will add a new tab for each new year at the top.
TIP: When you see Split, this means your periods are Merged. When you see Merged, this means your periods are Split.