If you want to change the default margins in Google Docs, then you need to follow the below-mentioned steps
Step 1. Start by opening Google Docs and open the file in which you want to change Margin in Google Doc.
Step 2. After selecting the file, you need to move your cursor towards “File” tab appearing in the left top side of the Google document.
Step 3. It will open a drop-down list in front of your computer screen. You need to scroll the page and hit the “Page Setup” tab showing in the second bottom of the list.
Step 4. After hitting on the tab, a pop-up page will be open in your computer screen having detailed margin style.
Step 5. You need to update margins in Google docs according to it and click “OK” to save changes.
Step 6. After adjusting margins in Google docs, you will found that the margin of your article changes as per your needs.
Step 7. This is how you can Change Margins in Google Docs. While writing in the Google Docs, you can also set specific left and right margins as per the demand of text.