It can be disconcerting when you open an Excel workbook that has several worksheets, but you only see single worksheet. If this happens, your "missing" worksheets may be hiding in plain sight due to a simple Excel setting. In addition to restoring vanished worksheet tabs, I'll also describe a couple of techniques for navigating workbooks easier, as well as other ways to find hidden worksheets.
Typically, within an Excel workbook you'll see worksheet tabs along the bottom of the screen, but it's also possible to hide the worksheet tabs, as shown in Figure 1. To manage this setting: