Microsoft WARN Filings in Washington
WARN Act layoff and closure notices filed by Microsoft with the Washington State Employment Security Department
Filing History
Swipe horizontally to see all columns.
| Filed | County | Effective | Workers | Type |
|---|---|---|---|---|
| July 6, 2026 | King | September 4, 2026 | 605 | Layoff |
| September 8, 2025 | King | November 7, 2025 | 42 | Layoff |
| August 4, 2025 | King | October 3, 2025 | 40 | Layoff |
| July 2, 2025 | King | August 31, 2025 | 830 | Layoff |
| June 2, 2025 | King | August 1, 2025 | 305 | Layoff |
| May 13, 2025 | King | July 12, 2025 | 1,985 | Layoff |
| July 10, 2023 | King | September 8, 2023 | 276 | Layoff |
| June 5, 2023 | King | August 4, 2023 | 22 | Layoff |
| May 9, 2023 | King | May 26, 2023 | 158 | Layoff |
| March 27, 2023 | King | May 26, 2023 | 559 | Layoff |
| March 6, 2023 | King | May 5, 2023 | 689 | Layoff |
| February 9, 2023 | King | April 10, 2023 | 617 | Layoff |
| January 18, 2023 | King | March 20, 2023 | 878 | Layoff |
| October 30, 2014 | King | December 28, 2014 | 635 | Layoff |
| September 18, 2014 | King | November 17, 2014 | 747 | Layoff |
| July 17, 2014 | King | September 15, 2014 | 1,351 | Layoff |
| September 3, 2009 | King | November 1, 2009 | 27 | Layoff |
| May 5, 2009 | King | July 4, 2009 | 1,200 | Layoff |
| April 1, 2009 | King | June 30, 2009 | 2 | Layoff |
| January 23, 2009 | King | March 23, 2009 | 872 | Layoff |
| August 23, 2004 | King | October 25, 2004 | 67 | Layoff |
Microsoft WARN Questions
How many workers are reported in Microsoft's Washington WARN filings?
Microsoft has 21 WARN filings in this archive reporting a combined 11,907 workers. WARN filings are advance notices, and announced actions can change.
When was Microsoft's most recent WARN notice in Washington?
The most recent notice was filed July 6, 2026.
About This Data
Notices come from the Washington State ESD WARN database, with history back to 2004. Company names appear as filed; related entities may file under different names. Click a filing date for details and guidance on finding the filing in ESD's public WARN search. Review ESD's WARN requirements for thresholds and exceptions.