Red line under the word does not appear without any reason in MS Word, happens because the word is not in correct way which is causing red line under the text. We can remove it permanently by using bellow steps.
1. Right click on the corresponding text and select the correct word or click on “ignore” there is no replacing word option, it will be disappeared automatically.
2. For disable it permanently, open Word Go to File then select “Options” in the “Proofing” after that you can select the desired option.
3. For the underlined underline, you need to select the corresponding text, choose to cancel the underline, and directly click the shortcut key “CTRL+U” to cancel.
4. For the red line drawn with tools, you need to select the object and delete it directly.
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