Sometimes, we need to change the margin of Google documents. The process is straightforward and can be done via two methods. One method includes approaching page setup and the other uses a ruler. Let’s discuss these two methods of how to change margins in Google Docs.
Method No: 1
This method changes the margin line by selecting files on the Google Documents page. The steps for this method are given in the following:
Step: 1
On the Google document page, there is a File option in the upper left corner such that given as;

Step: 2
Click on the files option, it will open a page. There is an option for Page Setup at about the bottom, click on it

Step: 3
The page setup contains Margin Options for top, bottom, left, and right. There are different values on the box in front of this margins option

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Step: 4
Change these values one by one according to the margin you want to keep like;

Note: You can also change the margin line only for the top, bottom, left, and right individually.
Step: 5
After changing values, click on the Set Default option given at the end of these margin values

Step: 6
Now, Click on the OK option. You will see margin changes after this resetting

Method: 2
This method used the ruler on the Google documents to change the margin. The steps for this method are given in the following:
Step: 1
There is an option to View on the upper left page of Google Documents. Click on it

Step: 2
After clicking multiple options will appear. One of the options is to Show the Ruler, click on it
Step: 3
After clicking, you can see an arrow on the upper left and right part of the page like;

Step: 4
Drag this arrow in either one direction to broaden or shorten the page margin

After dragging of arrow, the margin line is changed accordingly.
Note:
Please note that the margin line can not be changed for a single page. When you make a change, it is equally carried out on all the pages.