Duplicate Master
Find, mark, and remove duplicate entries.
An add-in for Microsoft Excel that compares multiple lists and marks matching entries.
The Match and Mark Assistant add-in for Microsoft Excel can quickly and easily compare multiple lists at one time. Menu driven for ease of use, you can color cells or write entries to indicate where matching entries are found between the lists — extremely fast.
It is compatible with Microsoft Excel 2010–2021 and Office 365.
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Find, mark, and remove duplicate entries.
Clean and standardize spreadsheet data.