Y2K threshold
The Y2K Threshold value determines how Campaign interprets years that are represented with only two digits.
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Valid values are 0 to 100; any values higher than 100 are set to 100. The default setting for Y2K Threshold is 20.
Campaign uses the Threshold value to calculate a range of years whose lower limit is the threshold value + 1900 and whose higher limit is 99 years above that.
For example, if you set the Y2K Threshold to 50, the range of years is from 1900+50 = 1950, to 99 years above that, that is, 2049.
So, if you enter a two-digit year greater than or equal to your threshold (in this case, 50), the date is interpreted to be in the 1900s. If you enter a two-digit year less than your threshold, it is interpreted to be in the 2000s.
If you sent the Y2K Threshold to the maximum value of 100, the range of years will be 1900+100 = 2000, to 2099. In this case, all two-digit years are interpreted to be in the 2000s.
You can change this threshold as needed.