Quick summary
You can ignore all spelling errors in Microsoft PowerPoint by enabling the Hide Proofing Errors option under the Review tab's Editor settings. This setting removes red underlines from your slides without deleting or correcting any text.
Steps
- Navigate to the Review tab in the PowerPoint ribbon.
- Open the Proofing section inside the Editor settings panel.
- Click Hide Proofing Errors to suppress all spelling error indicators across your presentation.
