When you insert the table, the default borders of the table appear. So, if you apply No Border to it, it disappears. In that case, the table requires gridlines for appearance.
To (show or hide) view the gridlines of a table. follow the steps below.
View the Gridlines of a Table
To work with gridlines, first, go to the Insert tab, then insert the table with the number of rows and columns you want. Afterwards, the Table Tools Design and Layout tabs will open automatically.
Now, click the 4 headed arrows of a table to select
Make sure the “Table Design” tab
Then click on the Borders
And then select the “No Border” option, to disappear the table (table borders) automatically
When you hover over the mouse pointer over the disappeared area of the table, 4-headed arrows of a table will appear, then click on it. Now on the Design tab, in the Borders group, click on the Borders, and then select “View Gridlines”.
There is also another way to show the gridlines of a table. To do so follow the way.
Go to the Table Tools Layout tab
Then select the “View Gridlines”
Now the Gridlines of a table will appear as in the screenshot above.
Complete Video Tutorial
What is hide or show gridlines of a table in Word?
Sometimes accidentally table may disappear (not deletion). In that case, we have to apply either the entire table or the table gridlines. In that case, the table requires gridlines. In that case, the gridlines we apply are called view gridlines.
What are the gridlines of a table in MS Word?
A series of numbered horizontal and vertical lines that divide the table into squares to form a grid are called gridlines.