It will then switch off to leave the track change mark in place. Oct 27, 2023 — This trick is also useful for converting all my PDF's to word from my PC. Open your PDF in Excel or Google Docs and open Excel. Click on your document tab. Select all your changes. Change the color to white. Press ESC. In Excel, go to the “File” tab. Now you have to press Ctrl+F2 and type in a search (Example: “change=recolor=white”). In your search, press Ctrl+F then select “red” and press enter. This will search for “change=recolor=white” but it won't open the whole dialog where you can go through and delete the mark. You won't see the “change=recolor=white” item in the dialog because it was already selected. Click the yellow arrow and on the second tab type: “change=redact=red” then press enter.