Combining multiple sheets in Excel can be done in several ways, depending on what you want to achieve. Here are some common methods for combining sheets:

1. Copy and Paste:

   • Open the destination sheet where you want to combine data.
   • Click on the tab of the source sheet that you want to copy data from.
   • Select the data you want to copy, right-click, and choose “Copy” or press Ctrl + C.
   • Go back to the destination sheet, select the cell where you want to start pasting the data, and right-click then choose “Paste” or press Ctrl + V.
   • Repeat this process for each sheet you want to combine.

2. Consolidate Data:

   • If you have data in multiple sheets with a similar structure, you can use Excel’s built-in consolidation feature. Go to Data > Consolidate. Follow the prompts to select your ranges and set the consolidation function (e.g., Sum, Average).
   • This method is suitable for combining data from multiple worksheets with the same structure into a summary sheet.

3. Power Query (Get & Transform Data):

   • If your data is in separate sheets and you want to combine them into a single table, you can use Power Query (Get & Transform Data). This method is particularly useful for working with large datasets or when you need to automate the process.
   • Go to the “Data” tab, select “Get Data,” and then “Combine Queries” to append or merge data from multiple sheets.

4. Use Formulas:

   • You can use formulas like VLOOKUP, INDEX, MATCH, or HLOOKUP to combine data from different sheets. For example, you could use VLOOKUP to pull data from one sheet into another based on a common identifier.

5. Use 3D References:

   • Excel allows you to reference data from multiple sheets using 3D references. You can use functions like SUM, AVERAGE, or COUNT across sheets by specifying the range of sheets. For example, =SUM(Sheet1:Sheet3!A1) sums the values in cell A1 of sheets Sheet1, Sheet2, and Sheet3.

6. Manual Copy and Paste Special:

   • If you want to combine values only (not formulas) from multiple sheets into a single sheet, you can use the “Copy” and “Paste Special” method. Copy the data as usual (Ctrl + C) and then right-click on the destination cell, choose “Paste Special,” and select “Values.”

7. Consolidate by Category:

   • If your data is categorized or tagged, you can filter each sheet by category and copy only the relevant data to the destination sheet.

Choose the method that best suits your data and the result you want to achieve. Depending on the complexity of the task, you might need to use a combination of these techniques to combine multiple sheets in Excel effectively.