Excel ISNA function
Returns TRUE only when the value is the #N/A error, the "not found" one. In Spanish Excel it is called ESNOD.
Syntax
English Excel
=ISNA(value)
Spanish Excel (Mexico)
=ESNOD(valor)
Spanish Excel (Spain, Latin America)
=ESNOD(valor)
| Argument | What it is |
|---|---|
| value | The value or formula to check. |
Example
MATCH returns #N/A when it cannot find a value. ISNA detects exactly that error, so IF(ISNA(MATCH(…)), …) tells you whether something is missing from another list. ISERROR catches any error.
=IF(ISNA(MATCH(A2,$D$2:$D$5,0)),"Missing","Registered")
Common mistake
It is more precise than ISERROR: it does not hide real errors such as #DIV/0! or #NAME?.
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Practice ISNA
Type the formula in the sheet and check it instantly. Spanish or English function names both work. See all lessons
Is it on the list? ISNA
MATCH returns #N/A when it cannot find a value. ISNA detects exactly that error, so IF(ISNA(MATCH(…)), …) tells you whether something is missing from another list. ISERROR catches any error.
=IF(ISNA(MATCH(A2,$D$2:$D$5,0)),"Falta","Registrado")ESNOD = ISNAESERROR = ISERRORCOINCIDIR = MATCHCOINCIDIRX = XMATCHSI = IFIn B2, show "Missing" if the guest is not on the registered list and "Registered" if they are.
| A | B | C | D | E | |
|---|---|---|---|---|---|
| 1 | Guest | Status | Registered | ||
| 2 | Ana | Sofía | |||
| 3 | Luis | Ana | |||
| 4 | Sofía | Pablo | |||
| 5 | Diego | Jorge | |||
| 6 | Marta | ||||
| 7 | Pablo | ||||
| 8 |
Tip: while typing, click a cell or drag across several to insert their reference. F4 anchors the reference with $.
Frequently asked questions
- What is ISNA called in Spanish?
- In Spanish Excel it is ESNOD. The formula =IF(ISNA(MATCH(A2,$D$2:$D$5,0)),"Missing","Registered") is written =SI(ESNOD(COINCIDIR(A2;$D$2:$D$5;0));"Falta";"Registrado") (or with commas in Mexico).
- Why does ISNA use semicolons in some Excel versions?
- It depends on regional settings. Where the comma is the decimal mark (Spain, much of South America), Excel separates arguments with semicolons. English Excel and Mexican Spanish Excel use commas.
- What is the most common ISNA mistake?
- It is more precise than ISERROR: it does not hide real errors such as #DIV/0! or #NAME?.