{"id":271,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/isna\/"},"modified":"2021-02-13T11:34:47","modified_gmt":"2021-02-13T11:34:47","slug":"isna","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/isna\/","title":{"rendered":"ISNA"},"content":{"rendered":"

Today, we will explore the ISNA function in Excel and Google Sheets.<\/p>\n

Overview<\/h2>\n

The ISNA function is utilized to determine if a cell contains the #N\/A error value. It returns TRUE if the cell’s value is #N\/A; otherwise, it returns FALSE. This function is straightforward and proves extremely useful in managing datasets that might include errors.<\/p>\n

Syntax<\/h2>\n

The syntax for the ISNA function is identical in both Excel and Google Sheets:<\/p>\n

ISNA(value)<\/code><\/pre>\n
    \n
  • value<\/code> \u2013 The value you want to test for the #N\/A error.<\/li>\n<\/ul>\n
    Examples<\/h2>\n
    Example 1: Basic Usage<\/h3>\n
    Assume cell A1 contains the #N\/A error. Using the ISNA function to check this error would work as follows:<\/p>\n\n\n\n
    A<\/th>\nB<\/th>\n<\/tr>\n
    #N\/A<\/td>\n=ISNA(A1)<\/td>\n<\/tr>\n<\/table>\n
    In cell B1, the formula =ISNA(A1)<\/code> will return TRUE.<\/p>\n
    Example 2: Conditional Formatting<\/h3>\n
    The ISNA function can also be utilized with conditional formatting to visually highlight cells that contain #N\/A errors. Here’s how to apply it:<\/p>\n
      \n
    1. Select the range of cells you wish to format.<\/li>\n
    2. Go to “Format” – “Conditional formatting” in the toolbar.<\/li>\n
    3. Select “Custom formula is” from the drop-down menu.<\/li>\n
    4. Input the formula =ISNA(A1)<\/code> (assuming A1 is the top-left cell in your selected range).<\/li>\n
    5. Choose the formatting style you prefer for cells containing #N\/A errors.<\/li>\n<\/ol>\n
      Example 3: Using IF Function<\/h3>\n
      The ISNA function can be paired with the IF function to execute specific actions depending on the presence of a #N\/A error in a cell. Consider the following example:<\/p>\n\n\n\n
      A<\/th>\nB<\/th>\n<\/tr>\n
      #N\/A<\/td>\n=IF(ISNA(A1), “Error found”, “No error”)<\/td>\n<\/tr>\n<\/table>\n
      In cell B1, the formula =IF(ISNA(A1), \"Error found\", \"No error\")<\/code> will yield “Error found.”<\/p>\n
      These examples highlight the versatility of the ISNA function in Excel and Google Sheets. Whether you are checking for errors, highlighting problematic cells, or integrating error-checking into your formulas, the ISNA function is an essential tool for your data management toolkit.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Returns TRUE if the value is the #N\/A error value<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[207],"tags":[],"class_list":["post-271","post","type-post","status-publish","format-standard","hentry","category-information"],"acf":[],"yoast_head":"\nExcel ISNA Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel ISNA function does. 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