Use the Periods and Period types lookups to manage forecast periods.
To add a new period:
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Click to open the System Designer.
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Open the Lookups section and find the Period types lookup.
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Click New.
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Enter the name of a new period type, e.g., “Half-year”.
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Click and save the changes.
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Open the Lookups section again and find the Periods lookup.
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Click View → Set up fields to display and add the “Period type” column to the section list. Click Save.
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In the lookup list, click New and populate the name, period type, the start and end dates for the new period (Fig. 1).
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Add the missing periods up to the end of the current year. For example, with a period that is six months long, you will only need two periods.
As a result, new periods become available for your forecasts.