All Breaches
December 5, 2016 Verified Spreadsheet education / technical forum

MrExcel Data Breach

The MrExcel data breach is a forum account leak that occurred as a result of unauthorized access to the MrExcel forum, which is known for Microsoft Excel tips, formula support, and workbook…

366.1 Thousand
Reported Records
7
Data Types
High
Severity
Yes
Verification

Exposed Data Types

7
Dates of birth
Email addresses
IP addresses
Passwords
Social connections
Usernames
Website activity

Additional Information

Added DateJanuary 22, 2017
Breach DateDecember 5, 2016
Domainmrexcel.com
SourcevBulletin forum breach
Last Content UpdateJuly 18, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameMrExcel
SectorSpreadsheet education / technical forum
CountryUnknown
Websitemrexcel.com

Risk Level

High

The reported impact exceeds 100 thousand and falls within the high severity band.

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