How to Run Spell Check in PowerPoint?

Sep 22, 2025

Despite reviewing your slides carefully, mistakes can happen. Grammar and spelling mistakes are inevitable, but you should not ignore them. Slides are all about the visual presentation of data, but you must know how to run spell check in PowerPoint for error-free writing.

Even if you have 3^rd party grammar checker tools or rely on the PowerPoint spell check feature, manual review is always recommended. Mistakes happen all the time, and it is always a good idea to run spell check for your slides.

Spell Checking in PowerPoint

PowerPoint has a real-time spell checker that can mark mistakes, errors, and typos while you write. Imagine you wrote a typo in the slide; a Red Line will appear under the misspelled word. Words with red lines indicate typos or words that are not part of the dictionary.

Right-click on the marked word, and PowerPoint will suggest possible corrections for the word. As we can see in the image, “spell” is the right word for the marked text. Simply select the right word, and the misspelled word will be replaced with the right one.

In the image, we see two additional options:

Ignore All: If the word is correct, or the name, or the company name, or marked by mistake, use this option.

Add to Dictionary: If the marked word is correct and will be used in the slides more often, add that word to the dictionary, and PowerPoint will no longer mark that word as a typo.

How to Run Spell Check in PPT?

You have an existing presentation and want to check it for any errors and typos. As you are not typing in real time, PowerPoint can still run a spell check for you for the entire presentation at once.

PowerPoint will mark the typos on every slide and will offer quick controls to correct or ignore those typos. Follow these simple steps to run spell check in PowerPoint.

Step 1: Go to Review Tab >> Spelling

Open your PowerPoint presentation and go to the Review tab. This tab has all the options related to proofreading and reviewing the content of all slides in PPT. Choose the very first option, Spelling.

Step 2: Review Spelling Mistakes

PowerPoint will start a dedicated pane on the right side where you will see typo marked with a red line on the slide and a correct suggestion in the right box.

Select the correct word that you want to add and click “Change” and the typo error will be resolved.

Once corrected, PowerPoint will automatically jump to the next mistake, and you need to click the Change button again to continue. Keep doing this until you receive a message that “Spell Check Complete.”

It means that PowerPoint has checked the entire presentation for possible errors and typos. You can also ignore recommendations for names or special terms.

How to Enable Real-time Spell Check in PowerPoint?

Some users may not receive suggestions and warnings for spelling mistakes and typos in PowerPoint. Real-time proofreading features may not be active for some users. You don’t need to worry, as you can easily enable this feature in PowerPoint for future presentations.

Go to File >> Options, at the bottom left of the File window. Options will open a new settings window like this.

Go to Proofing >> at the bottom, make sure “Mark grammar errors as you type” is checked. Enabling this feature will mark the errors as you type. Click OK, and now you will start receiving warnings and red lines.

How to Fix Spelling Mistakes with Twistly?

You face a problem with a PowerPoint presentation, and how can you expect Twistly not to have the AI solution for that problem? Are you having trouble with the text of the slides and want to fix mistakes and errors quickly with AI?

Step 1: Simply launch Twistly and go to 3^rd option, Rewrite Text. Here, click the “Ask AI to” option, and you will see a list of actions that you can perform with AI for the slides.

Step 2: Choose the “Fix Spelling and Grammar” option and click continue. You can also select if you want to apply the fix to the selected slide or all slides.

Step 3: Within a few seconds, Twistly has fixed all mistakes, red lines are gone, and your content looks improved and better.

Apart from spelling mistakes, there are so many other tasks that you can perform with Twistly for PowerPoint presentations.

Conclusion

Running spell check before finalizing PPT can prevent mistakes, or you can ask Twistly to improve writing or fix all mistakes with AI. Unlike Spell Check in PowerPoint, Twistly is a complete writing assistant with lots of other options to improve, optimize, and review your text.

You won’t realize the potential of Twistly for PowerPoint presentations unless you give it a try. Download the Twistly trial version for free and start making PowerPoint presentations that look engaging and deliver true value with the power of AI.