Assignment no.2 Remove duplicates in excel

 Here are the steps to remove duplicates in Excel:


*Methods to Remove Duplicates*

1. *Using the "Remove Duplicates" Feature*

    - Select the range of cells containing duplicates.

    - Go to the "Data" tab.

    - Click "Remove Duplicates" in the "Data Tools" group.

    - Choose the columns to check for duplicates.

    - Click "OK."

2. *Using a Formula*

    - Use the formula `=COUNTIF(A:A, A2)>1` to identify duplicates.

    - Assume the data is in column A.

    - Copy the formula down to other cells.

    - Filter the data to show only duplicates.

3. *Using Conditional Formatting*

    - Select the range of cells containing duplicates.

    - Go to the "Home" tab.

    - Click "Conditional Formatting" in the "Styles" group.

    - Choose "Highlight Cells Rules" and then "Duplicate Values."



*Tips and Variations*

1. *Remove duplicates based on multiple columns*: Hold Ctrl while selecting multiple columns in the "Remove Duplicates" dialog box.

2. *Remove duplicates and keep only unique values*: Use the "Remove Duplicates" feature and select "Unique records only."

3. *Remove duplicates and keep the first occurrence*: Use the "Remove Duplicates" feature and select "Keep first occurrence."



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