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  1. Find and remove duplicates - Microsoft Support

    Select Data > Remove Duplicates, and then under Columns, check or uncheck the columns where you want to remove the duplicates. For example, in this worksheet, the January column …

  2. Filter for unique values or remove duplicate values

    To remove duplicate values, select Data > Data Tools > Remove Duplicates. To highlight unique or duplicate values, from the Home tab, use the Conditional Formatting command in the Style …

  3. Filter for or remove duplicate values - Microsoft Support

    You can filter for unique values to temporarily hide duplicate values, and you can remove duplicate values to permanently delete duplicate values. A duplicate value is one where all …

  4. Delete duplicate records with a query - Microsoft Support

    Duplicate data often creeps in when multiple users add data to the database at the same time or if the database wasn't designed to check for duplicates. It is easier to use a query when you …

  5. Manage duplicate contacts in Outlook - Microsoft Support

    Learn how Outlook helps to prevent duplicate contacts and how to remove any duplicates that occur.

  6. Keep or remove duplicate rows (Power Query) - Microsoft Support

    When shaping data, a common task is to keep or remove duplicate rows. The results are based on which columns you select as the comparison to determine duplicate values is based on the …

  7. Delete duplicate calendar items - Microsoft Support

    Importing calendar items might result in duplicate items. You can delete the duplicate calendar items.

  8. How to compare data in two columns to find duplicates in Excel

    You can use the following methods to compare data in two Microsoft Excel worksheet columns and find duplicate entries.

  9. Duplicate files in OneDrive - Microsoft Support

    How to fix duplicate files with your computer name added  Windows: Select Start, type "credentials," and then select Credentials Manager. Select the Windows Credentials tab. …

  10. Use Conversation Clean Up to delete redundant messages in …

    Conversation Clean Up can delete all of the messages except the last one from Tim because within that message is a copy of all of the previous messages. Conversation Clean Up is most …