How to Add 91 in Excel: A Step-by-Step Guide to Simple Addition

Adding "91" in Excel is a straightforward task that involves two primary methods: using formulas or the CONCATENATE function. By following some simple steps, you can efficiently add this country code to your data. Whether you need it for phone numbers or any other application, this guide will help you accomplish it without a hitch.

How to Add 91 in Excel

Let’s dive into the step-by-step guide that will show you how to add "91" to your data in Excel. This process will make your spreadsheets more functional and globally relevant.

Step 1: Open Your Excel File

First, open the Excel file containing the data to which you want to add "91".

This might be a spreadsheet with a list of phone numbers or other data that requires a country code.

Step 2: Select the Target Cells

Highlight the cells where you want to add "91".

You can do this by clicking and dragging your mouse over the cells or by holding down the "Ctrl" key and clicking individual cells.

Step 3: Insert a New Column

Add a new column next to the one containing your target data.

This will help you keep the original data intact while working on the new data.

Step 4: Use the CONCATENATE Formula

In the first cell of the new column, enter the formula =CONCATENATE("91", A1).

Replace "A1" with the cell reference of your target data.

Step 5: Drag the Formula Down

Click the small square in the corner of the cell with the formula and drag it down to apply it to all the cells in the column.

This will automatically add "91" to each cell in the new column.

Step 6: Copy and Paste Values

Copy the new column and paste the values back into the original column to replace the initial data.

Do this by selecting the new column, right-clicking, and choosing "Paste Special" and then "Values".

Step 7: Delete the New Column

After ensuring the data is correct, delete the new column to clean up your spreadsheet.

This final step makes your spreadsheet tidy and easy to read.

After completing these steps, your data will have "91" added to each specified cell. This method ensures that your original data remains accessible and unchanged until you are ready to finalize the changes.

Tips for Adding 91 in Excel

  1. Backup Your Data: Always make a copy of your original file before making bulk changes.
  2. Use Shortcuts: Master Excel shortcuts like "Ctrl+C" for copy and "Ctrl+V" for paste to speed up the process.
  3. Check Formulas: Double-check your formulas to ensure they are correctly applied to avoid errors.
  4. Use Paste Special: When pasting values, use the "Paste Special" option to avoid copying the formula itself.
  5. Stay Organized: Keep your data organized by labeling your columns clearly.

Frequently Asked Questions

What is the CONCATENATE function?

The CONCATENATE function in Excel joins two or more text strings into one string.

Can I use a different formula to add 91?

Yes, you can also use the "&" operator, for example, ="91"&A1.

How do I ensure I don’t lose my original data?

Use an additional column to apply the changes and keep the original data intact until you’re ready to replace it.

Can I apply this method to multiple columns?

Yes, you can apply the same steps to multiple columns by adjusting the cell references accordingly.

What if I have formatted numbers?

Make sure to format your data as text before applying the formula to prevent Excel from altering it.

Summary of Steps

  1. Open your Excel file.
  2. Select the target cells.
  3. Insert a new column.
  4. Use the CONCATENATE formula.
  5. Drag the formula down.
  6. Copy and paste values.
  7. Delete the new column.


Adding "91" in Excel is a simple but powerful way to enhance your data, especially when dealing with international phone numbers or codes. By following the outlined steps, you can efficiently update your spreadsheets without losing original data. Remember to use shortcuts and backup your data to make the process smoother. If you found this guide helpful, consider exploring other Excel functions and formulas to further boost your productivity. Happy Excel-ing!

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