If you want to review and change automatic formatting options all at once, you can do that in the AutoCorrect dialog box.
Click File > Options.
In the Excel Options box, click Proofing > AutoCorrect Options.
On the AutoFormat As You Type tab, check the boxes for the auto formatting you want to use.
Internet and network paths with hyperlinks : Replaces typed URLs, network paths, and email addresses with hyperlinks.
Include new rows and columns in table : When you enter data below or next to an Excel table, it expands the table to include the new data. For example, if you have a table in columns A and B, and you enter data in column C, Excel will automatically format column C as part of your table.
Fill formulas in tables to create calculated columns : Applies one formula to all cells in an Excel table column.