There are a few different ways that you can search for text within an Excel spreadsheet. The first way is to use the Find and Replace tool. To access this tool, click the "Home" tab in the ribbon and then click the "Find & Select" button in the Editing group. A drop-down menu will appear and you should click "Find...". The Find and Replace dialog box will appear. In the "Find what:" field, type the text that you want to search for. You can also use wildcards in this field if you want to search for a partial string of text. For example, if you wanted to find all cells that contain the word "cat", you could type "*cat*" in the "Find what:" field. If you only wanted to find cells that start with the word "cat", you could type "cat*".
If you know which sheet or sheets you want to search, you can select them from the "Look in:" drop-down menu. By default, Excel will search all sheets in the workbook. You can also specify whether you want to search just the current selection or the entire workbook.
The next thing you need to decide is whether or not you want to match case. If you check this option, Excel will only find cells that contain text that matches exactly what you've typed in the "Find what:" field (including upper- and lower-case letters). If you leave this option unchecked, Excel will find cells that contain text that matches regardless of case.
Once you've specified all of your search criteria, click the "Find All" button. Excel will display a list of all of the cells that meet your criteria in the Results pane at the bottom of the dialog box. You can click on any cell in the list to go to that cell in your worksheet.
If there are a lot of results, you can narrow down your list by clicking the "Options >>" button and then selecting one or more options from the menu that appears. For example, if you only want to see results that contain errors, check the "Errors" option. Or if you only want to see results from a certain column, check the appropriate column header(s).
When you've found the cell or cells that you're looking for, click the "Close" button.