If you are not told how to do hide columns in google sheets, i tell you, we hide columns in google sheet because when any heading or content you have to head in columns and after that i need you so back you can bring that heading or content back. You can fix it back by Un hide you can easily do all this.
See How You Can Hide Columns from Google Sheet
Simple as an Example for You
You will open google sheet
I have colored the five columns in the sheet
Select c columns
After selecting you right click on that column
You will see the option of hide columns, click on it
C columns have been hidden if you have to Un hide click on the top where I have shown with red marks then will come back
We will keep bringing you information about technology and will keep posting in the same way, if you like our post, then you can tell us by commenting, you can tell us if there is any kind of mistake in the post.