When creating a spreadsheet in Microsoft Excel, you can use the included tool to make sure all of your words are spelled right. Sometimes, Excel does not recognize correctly-spelled words because they’re not included in its dictionary data. Consequently, you need to add them manually.

In Microsoft Excel, there are two ways to add a new word to the dictionary. Select a link below for the method you want to use and follow the steps provided.

Add new word through a custom dictionary

  • In the Ribbon, click the File tab, then click Options.

  • In the Excel Options window, click the Proofing option in the left navigation pane.

  • Under the When correcting spelling in Microsoft Office programs header, make sure the box is unchecked for the Suggest from main dictionary only option.

  • Click the Custom Dictionaries button.

  • In the Custom Dictionaries window, select the dictionary set as the default dictionary, then click the Edit Word List button.

  • Add new word through a custom dictionary.

  • Add new word during a spell check.

  • Type the word you want to add in the Word(s) text field.

  • Click the Add button to add the word to the Microsoft Excel dictionary.

  • Click the OK button on each of the open windows to save the dictionary changes.

Add new word during a spell check

  • To run spell check in an Excel spreadsheet, in the Ribbon, click Review, then click Spelling, or push the F7 button on your keyboard.
  • In the Spelling window that opens, any misspelled words appear. If the word is valid, click the Add to Dictionary option.
  • How to spell check a document.
  • How to add a new word to Microsoft Word’s dictionary.
  • Microsoft Excel keyboard shortcuts.
  • Help, examples, and information on Excel formulas.
  • Microsoft Excel help and support.