US WARN layoff noticesEmployersM › Microsoft

Microsoft — WARN Act layoff notices

Official state WARN filings by Microsoft since 1988, normalized from state labor department sources. Latest notice: 2026-07-06.

41notices
12,356workers affected
2states
Notice dateStateLocationEmployeesEffective dateType
2026-07-06WashingtonRedmond6052026-09-04Layoff
2025-09-08WashingtonRedmond422025-11-07Layoff
2025-08-04WashingtonRedmond402025-10-03Layoff
2025-07-02WashingtonRedmond and Bellevue8302025-08-31Layoff
2025-06-02WashingtonRedmond3052025-08-01Layoff
2025-06-02CaliforniaSanta Clara County72025-08-01Layoff Permanent
2025-05-14CaliforniaSanta Clara County822025-07-12Layoff Permanent
2025-05-14CaliforniaSanta Clara County32025-07-12Layoff Permanent
2025-05-13WashingtonRedmond1,9852025-07-12Layoff
2023-08-10CaliforniaSanta Clara County402023-09-08Layoff Permanent
2023-07-10WashingtonRedmond and Bellevue2762023-09-08Layoff
2023-07-07CaliforniaSanta Clara County22023-08-04Layoff Permanent
2023-06-05WashingtonRedmond222023-08-04Layoff
2023-05-09WashingtonRedmond1582023-05-26Layoff
2023-04-03CaliforniaSanta Clara County192023-05-26Layoff Permanent
2023-04-03CaliforniaSanta Clara County12023-05-26Layoff Permanent
2023-03-27WashingtonRedmond and Bellevue5592023-05-26Layoff
2023-03-20CaliforniaSanta Clara County12023-05-05Layoff Permanent
2023-03-20CaliforniaSanta Clara County542023-05-05Layoff Permanent
2023-03-06WashingtonRedmond, Bellevue, Issaquah6892023-05-05Layoff
2023-02-13CaliforniaSanta Clara County92023-04-10Layoff Permanent
2023-02-13CaliforniaSanta Clara County412023-04-10Layoff Permanent
2023-02-13CaliforniaSanta Clara County22023-04-10Layoff Permanent
2023-02-13CaliforniaSanta Clara County72023-04-10Layoff Permanent
2023-02-13CaliforniaSanta Clara County12023-04-10Layoff Permanent
2023-02-09WashingtonRedmond, Bellevue, Issaquah6172023-04-10Layoff
2023-02-08CaliforniaSanta Clara County12023-03-20Layoff Permanent
2023-02-08CaliforniaSanta Clara County32023-03-20Layoff Permanent
2023-02-08CaliforniaSanta Clara County412023-03-20Layoff Permanent
2023-01-18WashingtonRedmond, Bellevue, Issaquah8782023-03-20Layoff
2016-01-20CaliforniaSan Diego22016-03-20Closure Permanent
2015-10-21CaliforniaSan Diego42015-12-20Closure Unknown at this time
2015-07-08CaliforniaSan Diego1292015-09-06Layoff Permanent
2014-10-30WashingtonRedmond6352014-12-28Layoff
2014-09-18WashingtonRedmond7472014-11-17Layoff
2014-07-17WashingtonRedmond1,3512014-09-15Layoff
2009-09-03WashingtonRedmond272009-11-01Layoff
2009-05-05WashingtonRedmond1,2002009-07-04Layoff
2009-04-01WashingtonSeattle22009-06-30Layoff
2009-01-23WashingtonRedmond8722009-03-23Layoff
2004-08-23WashingtonRedmond672004-10-25Layoff

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

Only care about certain employers or states? WARN Watch, $49/year runs your list against every refresh and gives you a private alert page + RSS (free for 30 days first, no card). The data itself — every notice back to 1988 — is free.