How many maximum number of columns can be inserted in the word document?

In Microsoft Word, you can insert up to 63 columns in a document. Here are the steps to do so:

1. Open your Word document.
2. Click on the "Page Layout" tab.
3. Click on "Columns" in the "Page Setup" group.
4. Click on "More Columns" at the bottom of the drop-down menu.
5. In the "Columns" dialog box that opens, you can set the number of columns up to 63.
6. Click "OK" to apply the changes to your document.

Please note that having a large number of columns might make your document difficult to read and navigate, so use this feature judiciously.