Feature Summary

The Duplicates feature is used to detect and handle duplicate data in spreadsheets, supporting operations such as highlighting, removing duplicate values, and extracting unique values.

Feature Description

Feature Dimension Description
Membership Restriction No membership restriction
Version Restriction No version restriction

Operation Steps

Highlight Duplicates

Feature Entry
"Data" tab → "Duplicates" dropdown menu → "Set Highlight Duplicates"

  1. Select the cell range you want to check
  2. Click the Duplicates dropdown menu in the Data tab
  3. Select the "Set Highlight Duplicates" button
  4. Duplicate data will be displayed with a red background

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Clear Highlight Duplicates

Feature Entry
"Data" tab → "Duplicates" dropdown menu → "Clear Highlight Duplicates"

  1. Select the cell range you want to check
  2. Click the Duplicates dropdown menu in the Data tab
  3. Select the "Clear Highlight Duplicates" button
  4. The highlighted duplicates will be cleared

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Count Duplicate Occurrences

Feature Entry
"Data" tab → "Duplicates" dropdown menu → "Count Duplicate Occurrences"

  1. Select the cell range you want to check
  2. Click the Duplicates dropdown menu in the Data tab
  3. Select the "Count Duplicate Occurrences" button
  4. A chart will be automatically generated to count the duplicate text entries in the selected area

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Reject Duplicate Entry

Feature Entry
"Data" tab → "Duplicates" dropdown menu → "Reject Duplicate Entry"

  1. Select the cell range you want to check
  2. Click the Duplicates dropdown menu in the Data tab
  3. Select the "Reject Duplicate Entry" button
  4. When duplicate content is entered, a prompt will remind you to check the correctness of the input

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Clear Reject Entry Restriction

Feature Entry
"Data" tab → "Duplicates" dropdown menu → "Clear Reject Entry Restriction"

  1. Select the cell range you want to check
  2. Click the Duplicates dropdown menu in the Data tab
  3. Select the "Clear Reject Entry Restriction" button
  4. The check for duplicate input content will no longer be performed

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Remove Duplicates

Feature Entry
"Data" → "Data Tools" → "Remove Duplicates"

  1. Select the cell range containing data
  2. Click the "Remove Duplicates" button in the "Data" tab
  3. Select the columns to determine duplicates
  4. Click Remove Duplicates to delete duplicate content and keep unique values

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FAQ

Q1: Can data be recovered after removing duplicates?

  • Solution: Immediately after deletion, you can undo by pressing Ctrl + Z; recovery is not possible after saving. It is recommended to back up data before operation.

Q2: How to keep only unique values?

  • Solution: After using the "Remove Duplicates" feature, the remaining values are the unique ones.

Notes

  • When removing duplicates, you can choose which columns to base the duplicate check on
  • It is recommended to back up data before operation
  • Highlighting does not delete data, it only marks it