Checks the document or the current selection for spelling errors. If a grammar checking extension is installed, the dialogue box also checks for grammar errors.

To access this command...

From the menu bar:

Choose Tools - Spelling.

From the tabbed interface:

Choose Review - Spelling.

On the Review menu of the Review tab, choose Spelling.

From toolbars:



From the keyboard:


The spell check starts at the current cursor position and advances to the end of the document or selection. You can then choose to continue the spell check from the beginning of the document.

Spelling looks for misspelled words and gives you the option of adding an unknown word to a user dictionary. When the first misspelled word is found, the Spelling dialogue box opens.

Spelling errors are underlined in red, grammar errors in blue.

Text Language

Specifies the language to use to check the spelling.

A language entry has a tick mark in front of it if spell checking is activated for this language.

Not in Dictionary

Displays the sentence with the misspelt word highlighted. Edit the word or the sentence, or click one of the suggestions in the text box below.

Ignore Once

Skips the unknown word and continues with the spell check.


This label of this button changes to Resume if you leave the Spelling dialogue open when you return to your document. To continue the spellcheck from the current position of the cursor, click Resume.

Ignore All

Skips all occurrences of the unknown word until the end of the current LibreOffice session and continues with the spell check.

Ignore Rule

Appears when checking grammar. Click to ignore the suggested grammatical change.

Add to Dictionary

Adds the unknown word to a user-defined dictionary.


To add a new dictionary, press Options, then press New. After LibreOffice is restarted, multiple user-defined dictionaries are shown when Add to Dictionary is pressed. Select which dictionary should receive the added word.


Lists suggested words to replace the misspelled word. Select the word that you want to use, and then click Correct or Correct All.


Replaces the unknown word with the current suggestion. If you changed more than just the misspelt word, the entire sentence is replaced.

Correct All

Replaces all occurrences of the unknown word with the current suggestion.

Check grammar

Enable to work first on all spelling errors, then on all grammar errors.


Opens a dialogue box, in which you can select the user-defined dictionaries, and set the rules for checking spelling.


Click to undo the last change in the current sentence. Click again to undo the previous change in the same sentence.

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