Excel Add-in: File Version Comparison Tool

Job ID: 39559768

Budget: €99 – €101 EUR

Project Description:
I’m looking for a developer to build an Excel add-in that can compare two versions of a report file and clearly display the differences.

Key Requirements:
A button will be added into the Excel ribbon.

When clicked, it should open a screen where I can upload two files (old and new versions).

After clicking a "Compare" button, a screen should display:

A side-by-side comparison of both files.

All changes clearly highlighted (added, removed, modified data).

An option to view a summary of all changes in a single list.

Ability to generate a comparison report (export to Excel or PDF preferred).

Expectations:
Clean and user-friendly UI.

Fast and accurate comparison results.

Should work with structured Excel files (e.g., reports with tables or rows/columns of data).

Bonus: If differences can be filtered (e.g., only show changed rows), even better.

Deliverables:
Fully working Excel add-in file.

Source code.

Simple user documentation (optional but helpful).

Please share:

Relevant experience with Excel add-in development.

Timeframe and budget.

If you’ve built a similar comparison tool before, feel free to share examples.

Looking forward to working with someone who pays attention to detail and values clear output.
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