Yes, it is possible to animate text in Excel. You can create a crawling footnote or moving header by using the animation feature in Excel.

Here are the steps to create a crawling footnote:

1. Open a new or existing Excel spreadsheet.
2. Click on the "Insert" tab in the ribbon.
3. Click on the "Text Box" button in the "Text" group.
4. Draw a text box on the spreadsheet where you want the crawling footnote to appear.
5. Type the text you want to animate in the text box.
6. Click on the "Animations" tab in the ribbon.
7. Click on the "Add Animation" button in the "Advanced Animation" group.
8. Select the "Custom Path" animation from the drop-down menu.
9. Click and drag the green dot on the animation path to create the path you want the text to follow.
10. Click on the "Effect Options" button in the "Advanced Animation" group.
11. Select the "After Previous" option in the "Start" drop-down menu.
12. Adjust the duration and delay of the animation as desired.
13. Click on the "Play" button in the "Preview" group to preview the animation.

Here are the steps to create a moving header:

1. Open a new or existing Excel spreadsheet.
2. Click on the "Insert" tab in the ribbon.
3. Click on the "Text Box" button in the "Text" group.
4. Draw a text box on the spreadsheet where you want the moving header to appear.
5. Type the text you want to animate in the text box.
6. Click on the "Animations" tab in the ribbon.
7. Click on the "Add Animation" button in the "Advanced Animation" group.
8. Select the "Motion Paths" animation from the drop-down menu.
9. Select the motion path you want the text to follow from the "Lines" or "Curves" options.
10. Click and drag the green dot on the animation path to create the path you want the text to follow.
11. Click on the "Effect Options" button in the "Advanced Animation" group.
12. Select the "After Previous" option in the "Start" drop-down menu.
13. Adjust the duration and delay of the animation as desired.
14. Click on the "Play" button in the "Preview" group to preview the animation.