關於「Excel IF error else」標籤，搜尋引擎有相關的訊息討論：

IFERROR function - Microsoft Supportsupport.microsoft.com › en-us › office › iferror-function-c...IFERROR 函數- Microsoft 支援服務support.microsoft.com › zh-tw › office › iferror-函數-c526fd07-caeb-47b...Excel IFERROR function with formula examples - Ablebitswww.ablebits.com › Ablebits