How to Use the IFNA Function in WPS on Windows

Last updated:July 20, 2026

This how-to guide includes 4 topics: entering the function, filling in the arguments, using IFNA in nested formulas, and checking updated results; choose a topic from the index and follow the steps.

How-to Index

No.TopicMembership Requirement
11. Enter the IFNA functionFree
22. Fill in the arguments by syntaxFree
33. Use IFNA in a nested formulaFree
44. Check and update the calculation resultFree

How-to Guide

1. Enter the IFNA function

Entry path: Formula tab → Formula bar

  1. Open WPS Spreadsheet and select the cell where you want the result to appear.
  2. Type = in the formula bar or directly in the cell.
  3. Continue by typing IFNA(.
  4. Confirm that the syntax prompt appears.

Success Criteria

  • Interface result: The cell enters formula editing mode and shows IFNA(.
  • What you can do next: You can continue entering arguments and complete the formula.

Tips While Using

  • Common mistake: If you do not type = first, the content may be treated as plain text.
  • Environment note: The target cell must be editable.

2. Fill in the arguments by syntax

Entry path: Selected target cell → Formula bar

  1. After IFNA(, enter the value or formula you want to check.
  2. Enter the argument separator, then type the result you want returned when the formula evaluates to #N/A.
  3. Check that the parentheses are complete.
  4. Press Enter to confirm the formula.

Success Criteria

  • Interface result: The cell shows a calculated result instead of unfinished formula text.
  • What you can do next: You can select the cell again to review or edit the formula.

Tips While Using

  • Common mistake: Incomplete parentheses or the wrong number of arguments can cause a formula error.
  • Environment note: Different source data can affect the displayed result.

3. Use IFNA in a nested formula

Entry path: Formula tab → Formula bar

  1. Identify the original formula that may return an error, such as a lookup formula.
  2. Type IFNA( around the original formula.
  3. Use the original formula as the first argument.
  4. Enter replacement text, a blank value, or another return result as the second argument.
  5. Press Enter to finish.

Success Criteria

  • Interface result: When the original formula returns #N/A, the cell shows the replacement result.
  • What you can do next: You can copy the formula to other cells.

Tips While Using

  • Common mistake: Putting the replacement result in the wrong position can break the formula structure.
  • Environment note: Referenced cells and sheets in the nested formula must remain valid.

4. Check and update the calculation result

Entry path: Result cell → Formula bar / worksheet data area

  1. Change the source data or lookup condition referenced by IFNA.
  2. Watch whether the result cell updates with the data change.
  3. If the result looks incorrect, check the referenced cells, argument content, and formula structure.
  4. Edit the formula again if needed and confirm it once more.

Success Criteria

  • Interface result: The result cell updates after the source data changes.
  • What you can do next: You can continue copying, filling, or adjusting the formula range.

Tips While Using

  • Common mistake: Text-formatted numbers or incorrect ranges can produce unexpected results.
  • Environment note: For cross-sheet references, make sure the target sheet and cells still exist.