Within Crystal you can do it by creating a formula that uses the ToNumber function. First Create a Formula in the Crystal Reports with any Name Like In Words. Select Use Editor to open Formula Workshop window.
In the Formula Editor use the function IsNumeric as well as isNull before converting the text to a number.
The ToText function can be used to convert number date boolean or time values to a string text. This code show how to use toText to display the number as 1000. This formula is how to convert number to words in crystal reporthow to add and use. This is useful if the number is some sort of ID or.