[header] How to redline a document in microsoft word [title] Open the document you wish to edit. [title] In the toolbar at the top of the screen, click the " review " tab. [step] This tab contains tools to help with spell checking and editing, including the " track changes " feature. 
[title] Click the " track changes " button to enable track changes. [step] This feature places a red line in the margins next to any edited text.