If Tabs are missing or not showing in your Excel worksheet, it may be due to some changes within your Excel settings. Take these steps to fix the issue.

Click on the "Home" tab in the Microsoft Excel Ribbon. Click on the dialog box launcher in the Number section, the small arrow that points down and to the right at the bottom right corner of the ...

3. The Excel Home tab The Home tab offers a way into the sheet tab, but most users will never find it on their own. First, click the Home tab and then click Format in the Cell group.