{"id":389,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/register-id\/"},"modified":"2021-02-13T11:36:11","modified_gmt":"2021-02-13T11:36:11","slug":"register-id","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/register-id\/","title":{"rendered":"REGISTER.ID"},"content":{"rendered":"

Below, you will find a comprehensive guide on using the REGISTER.ID function in Microsoft Excel and Google Sheets.<\/p>\n

Overview<\/h2>\n

The REGISTER.ID function is utilized to retrieve the unique identifier for the Excel instance. This identifier is specific to the user’s active Excel session and is particularly useful in scenarios requiring identification of the specific Excel instance in use.<\/p>\n

Syntax<\/h2>\n

The syntax for the REGISTER.ID function is:<\/p>\n

=REGISTER.ID()<\/code><\/pre>\n
Examples<\/h2>\n
Example 1: Using REGISTER.ID in Excel<\/h2>\n
In Excel, the REGISTER.ID function can be used to display the unique identifier of the Excel instance within a cell. To do this, follow these steps:<\/p>\n
    \n
  1. Select the cell where you wish to display the REGISTER.ID value.<\/li>\n
  2. Enter the formula =REGISTER.ID()<\/code> in the chosen cell.<\/li>\n
  3. Press Enter to view the unique identifier of the Excel instance.<\/li>\n<\/ol>\n
    Example 2: Simulating REGISTER.ID in Google Sheets<\/h2>\n
    Because Google Sheets does not have a native REGISTER.ID function, you can emulate this functionality using Google Apps Script to create a custom function. Proceed as follows:<\/p>\n
      \n
    1. Select “Extensions” from the top menu in Google Sheets.<\/li>\n
    2. Choose “Apps Script,” then copy and paste the following code:<\/li>\n<\/ol>\n
      function REGISTER_ID() { return SpreadsheetApp.getActiveSpreadsheet().getId(); }<\/code><\/pre>\n
        \n
      1. Save the script and exit the Apps Script editor.<\/li>\n
      2. Back in your spreadsheet, use the custom function =REGISTER_ID()<\/code> in any cell to obtain the unique identifier of the spreadsheet.<\/li>\n<\/ol>\n
        Conclusion<\/h2>\n
        The REGISTER.ID function in Excel and its counterpart in Google Sheets provide a method for users to identify the unique instance of their Excel session or Google Sheet. While the function is built into Excel, Google Sheets users can replicate this feature with a custom script in Google Apps Script.<\/p>\n","protected":false},"excerpt":{"rendered":"
        Returns the register ID of the specified dynamic link library (DLL) or code resource that has been previously registered<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[206],"tags":[],"class_list":["post-389","post","type-post","status-publish","format-standard","hentry","category-add-in-and-automation"],"acf":[],"yoast_head":"\nExcel REGISTER.ID Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel REGISTER.ID function does. 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