Compare Excel spreadsheets in minutes. Find differences between worksheets, analyze discrepancies, and reconcile data with ease.

Compare and Merge for Excel is a powerful Excel Add-In for comparing data across sheets, ranges, and tables. Instantly identify what's changed, what's missing, and what doesn't match.

Free 30-day Trial available from Microsoft AppSource

Save hours of manual data review. With a few clicks, compare sheets, ranges, tables, or lists and see exactly what's different. Save your comparison settings in the workbook to re-run with one click anytime.

Common Use Cases

Compare monthly reports, financial statements, time sheets, budgets, inventory lists, SharePoint exports, and any Excel data that needs validation. Perfect for data quality control, auditing, reconciliation, and identifying discrepancies between data sources.

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You need to purchase a subscription (with free 30-day trial) to the Data Plus for Excel SaaS application to use Compare and Merge. See How To - Purchase SaaS App and Assign Add-in Licenses for more information on acquiring a license and the Compare and Merge sign in process.

Compare Features

  • Compare Excel sheets, ranges, tables, and lists side-by-side
  • Find added, deleted, changed, and duplicate rows instantly
  • Analyze differences using color highlighting, filters, and difference counts
  • Compare cell-by-cell to pinpoint exact discrepancies
  • Reconcile data changes between time periods or report versions
  • Improve data quality with faster discovery of bad or inconsistent data
  • Fine-tune comparisons with options for headers, decimal places, dates, and text handling
  • View results in an Excel table or the interactive Task Pane
  • Save comparison settings to re-run with one click

Optional: Merge Results

  • Merge differences into a consolidated, corrected dataset
  • Pick from "left" or "right" values to build merged results
  • Accept or reject individual row changes
  • Auto-merge or manually control merging via the Task Pane

Frequently Asked Questions

How do I compare two Excel spreadsheets for differences?

Install the Compare and Merge Add-In from Microsoft AppSource, select the two ranges or sheets you want to compare, and click Run. The tool instantly highlights all differences with color coding.

Can I compare Excel files from different workbooks?

Yes. You can compare data across different sheets within the same workbook, or open multiple workbooks and compare ranges between them.

What types of differences can the tool find?

The tool finds cell value changes, added rows, deleted rows, duplicate rows, number differences, date differences, and text changes. Results are color-coded for easy analysis.

Does it work with Excel Online?

Yes. Compare and Merge works in Excel for Windows, Mac, and Excel Online (Microsoft 365 web version).