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Microsoft

Layoff

WARN notice filed with the Washington State Employment Security Department

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Reported Workers
277
Notice Filed
September 22, 2026
Layoff Effective
November 21, 2026
County
King County

Reading this filing

The listed effective date is 60 calendar days after the filing date. These dates alone do not establish when employees received notice or whether notice requirements were met.

This archive has 21 other current source records under this exact employer name. Filing dates run from August 23, 2004 to September 22, 2026. See the employer's filing history.

No link to an earlier version has been confirmed for this record. Other filings under the same name may describe different actions or overlapping groups of workers.

Source row last captured: October 9, 2026. Editorial review is tracked separately.

How to read a WARN notice

Official Notice Document

This employer marked information in the source document as confidential, so this site does not reproduce its derived summary, position details, or direct document link. Filing facts above remain sourced from ESD's public WARN record.

More Notices from Microsoft

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FiledCountyWorkersType
July 6, 2026King605Layoff
September 8, 2025King42Layoff
August 4, 2025King40Layoff
July 2, 2025King830Layoff
June 2, 2025King305Layoff
May 13, 2025King1,985Layoff
July 10, 2023King276Layoff
June 5, 2023King22Layoff
May 9, 2023King158Layoff
March 27, 2023King559Layoff

Recent WARN Notices in King County

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About WARN Notices

Washington law generally requires covered employers to provide 60 days' written notice for qualifying closures, mass layoffs, and certain reductions in hours. Thresholds and exceptions apply. Data on this page comes from Washington ESD's public WARN records. Search ESD's public WARN database.