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hi, asking for help,

I made a database of my office documents and i need a formula for due dates that is due on 16 months, however the due dates will correspond to two (2) date fields, ex. date A and date B, the condition is this; if date B is not empty, due date will correspond to date B + 16 months, but if date B is empty, due date will correspond to date A + 16 months.

I hope someone help me, thank you!

Try something like:

DATEADD( IF( {Date B}, {Date B}, {Date A} ), 16, "months" )

Link to base


Thank you so much! 🙂


Try something like:

DATEADD( IF( {Date B}, {Date B}, {Date A} ), 16, "months" )

Link to base


hi, follow - up question. How to leave the Due Date field blank if either of date A and Date B are empty?


hi, follow - up question. How to leave the Due Date field blank if either of date A and Date B are empty?


Ah hmm, try this?

IF( OR( {Date A}, {Date B} ), DATEADD( IF( {Date B}, {Date B}, {Date A} ), 16, "months" ) )

Ah hmm, try this?

IF( OR( {Date A}, {Date B} ), DATEADD( IF( {Date B}, {Date B}, {Date A} ), 16, "months" ) )

Thank you so much! 🙂