Update history for Office Insider for Mac

Last updated: October 5, 2018

Hello, Insiders! If you're wondering whether you have the latest update installed or looking for a list of recent Fast or Slow builds for Office for Mac, you're in the right place. 

Latest Office Insider updates

If you see the following version and build numbers when you look in the product's About dialog, you're all set. If you don't have the latest build, updates are available from Microsoft AutoUpdate (MAU). To use MAU, start an Office application, such as Word, and then choose Help > Check for Updates.

Checking for Insider Slow Updates on Mac

Insider level

Version

Current Build

Release Date

Insider Fast

16.19

18100303

October 4, 2018

Insider Slow
 

16.17

18090901

September 10, 2018

History of Office Insider versions and builds

If you're enrolled in the Insider Fast level, you get frequent updates with new features and improvements. The following table shows a history of recent Insider versions and builds, with the most recently released build listed first. New builds contain all the updates contained in previous builds.

Note: On October 2, 2017,  the Office for Mac team released a significant update for Insider Fast. Starting with the October 2 update, you’ll see Version 16.xx instead of Version 15.xx whenever we release a new Fast build.

The following table shows the most recently released Fast builds. To learn about new features, improvements, fixes, and known issues in Fast updates, see Release notes for Insider Fast builds of Office for Mac

Version

Release date

Version 16.19 (Build 18100303)

October 4, 2018

Version 16.19 (Build 18100102)

October 1, 2018

Version 16.18 (Build 18092400)

September 24, 2018

Version 16.18 (Build 18091900)

September 19, 2018

Version 16.18 (Build 18091500)

September 17, 2018

Version 16.18 (Build 18091107)

September 12, 2018

Version 16.18 (Build 18091000)

September 10, 2018

Version 16.18 (Build 18090501)

September 6, 2018

Version 16.18 (Build 18090303)

September 5, 2018

Version 16.18 (Build 18082806)

August 29, 2018

Version 16.17 (Build 18082700)

August 27, 2018

Version 16.17 (Build 18082200)

August 22, 2018

Version 16.17 (Build 18081300)

August 13, 2018

Version 16.17 (Build 18080805)

August 9, 2018

Version 16.17 (Build 18080604)

August 7, 2018

Version 16.16 (Build 18072602)

July 27, 2018

Version 16.16 (Build 18072406)

July 25, 2018

Version 16.16 (Build 18071803)

July 19, 2018

Version 16.16 (Build 18071300)

July 16, 2018

Version 16.16 (Build 18071205)

July 13, 2018

Version 16.16 (Build 18071006)

July 11, 2018

Version 16.16 (Build 18070902)

July 9, 2018

Version 16.16 (Build 18070500)

July 5, 2018

Version 16.16 (Build 18070200)

July 2, 2018

Version 16.16 (Build 18062902)

June 29, 2018

Version 16.16 (Build 18062707)

June 28, 2018

Version 16.16 (Build 18062507)

June 26, 2018

Version 16.15 (Build 18062001)

June 25, 2018

Version 16.15 (Build 18061802)

June 19, 2018

Version 16.15 (Build 18061201)

June 13, 2018

Version 16.15 (Build 18061100)

June 11, 2018

Version 16.15 (Build 18060506)

June 6, 2018

Version 16.15 (Build 18060201)

June 4, 2018

Version 16.15 (Build 18053008)

June 1, 2018

Version 16.15 (Build 18052802)

May 29, 2018

Version 16.14 (Build 18052403)

May 24, 2018

Version 16.14 (Build 18052003)

May 21, 2018

Version 16.14 (Build 18051605)

May 17, 2018

Version 16.14 (Build 18051300)

May 14, 2018

Version 16.14 (Build 18050900)

May 9, 2018

Version 16.14 (Build 18050700)

May 7, 2018

Version 16.14 (Build 18050200)

May 3, 2018

Version 16.14 (Build 18042904)

April 30, 2018

Version 16.13 (Build 18042404)

April 25, 2018

Version 16.13 (Build 18042202)

April 23, 2018

Version 16.13 (Build 18041602)

April 17, 2018

Version 16.13 (Build 18041108)

April 12, 2018

Version 16.13 (Build 18040900)

April 9, 2018

Version 16.13 (Build 18040408)

April 5, 2018

Version 16.13 (Build 18040102)

April 2, 2018

Version 16.13 (Build 18032900)

March 29, 2018

Version 16.13 (Build 18032700)

March 27, 2018

Version 16.12 (Build 18032004)

March 21, 2018

Version 16.12 (Build 18031801)

March 19, 2018

Version 16.12 (Build 18031404)

March 15, 2018

Version 16.12 (Build 18031206)

March 13, 2018

Version 16.12 (Build 18030800)

March 8, 2018

Version 16.12 (Build 18030605)

March 7, 2018

Version 16.12 (Build 18030500)

March 5, 2018

Version 16.12 (Build 18022706)

February 28, 2018

Version 16.11 (Build 18022103)

February 22, 2018

Version 16.11 (Build 18021400)

February 14, 2018

Version 16.11 (Build 18020603)

February 7, 2018

Version 16.11 (Build 18020500)

February 6, 2018

Version 16.11 (Build 18013000)

January 30, 2018

Version 16.10 (Build 18012401)

January 25,2018

Version 16.10 (Build 18012002)

January 22, 2018

Version 16.10 (Build 18011401)

January 16, 2018


Version 16.10 (Build 18010905)

January 11, 2018

Version 16.10 (Build 18010206)

January 3, 2018

Version 16.9 (Build 17122606)

December 27, 2017

Version 16.9 (Build 17121907)

December 20, 2017

Version 16.9 (Build 17121700)

December 18, 2017

Version 16.9 (Build 17121206)

December 13, 2017

Version 16.9 (Build 17121005)

December 11, 2017

Version 16.9 (Build 17120607)

December 07, 2017

Version 16.9 (Build 17120400)

December 04, 2017

Version 16.9 (Build 171129)

November 30, 2017

Version 16.8 (Build 171126)

November 27, 2017

Version 16.8 (Build 171121)

November 22, 2017

Version 16.8 (Build 171111)

November 13, 2017

Version 16.8 (Build 171107)

November 9, 2017

Version 16.8 (Build 171101)

November 3, 2017

Version 16.7 (Build 171020)

October 23, 2017

Version 16.7 (Build 171017)

October 19, 2017

Version 16.7 (Build 171008)

October 10, 2017

Version 16.6 (Build 171001)

October 2, 2017

Version 15.40 (Build 170926)

September 27, 2017

Version 15.39 (Build 170913)

September 13, 2017

Version 15.39 (Build 170905)

September 7, 2017

If you're enrolled in the Insider Slow level, you get a new Office 2016 feature update approximately once a month, plus subsequent builds containing important fixes or security updates. The following table shows recent Insider Slow versions and builds, with the most recently released build listed first. New builds contain all the updates contained in previous builds.

To learn about new features for each build, see What's new for Office Insiders or Release notes for Insider Slow builds of Office for Mac.

Version

Release date

Version 16.17 (Build 18090901)

September 10, 2018

Version 16.17 (Build 18090400)

September 5, 2018

Version 16.16 (Build 18081402

August 15, 2018

Version 16.16 (Build 18081201)

August 13, 2018

Version 16.16 (Build 18080600)

August 6, 2018

Version 16.15 (Build 18070902)

July 10, 2018

Version 16.15 (Build 18070700

July 9, 2018

Version 16.15 (Build 18070102)

July 2, 2018

Version 16.14 (Build 18061302)

June 13, 2018

Version 16.14 (Build 18060200)

June 4, 2018

Version 16.13 (Build 18051301)

May 14, 2018

Version 16.13 (Build 18050501)

May 7, 2018

Version 16.12 (Build 18041000)

April 10, 2018

Version 16.12 (Build 18040103)

April 2, 2018

Version 16.11 (Build 18031900)

March 19, 2018

Version 16.11 (Build 18031100)

March 12, 2018

Version 16.10 (Build 18021001)

February 12, 2018

Version 16.10 (Build 18020401)

February 5, 2018

Version 16.9 (Build 18012504)

January 26, 2018

Version 16.9 (Build 18011602)

January 18, 2018

Version 16.9 (Build 18011601)

January 17, 2018

Version 16.9 (Build 18010702)

January 8, 2018

Version 16.8 (Build 17121002)

December 11, 2017

Version 16.8 (Build 17120501)

December 5, 2017

Version 16.8 (Build 17112902)

November 29, 2017

Version 15.40 (Build 171104)

November 6, 2017

Version 15.39 (Build 171004)

October 9, 2017

Version 15.38 (Build 170902)

September 12, 2017

Version 15.38 (Build 170902)

September 5, 2017

Version 15.37 (Build 170815)

August 15, 2017

Version 15.37 (Build 170805)

August 7, 2017

Insider community

Answers Community - Office Insider Forum

Office Insider community

If you want to chat with other Insiders, post in our community.

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Office Insider Twitter

Office Insider on Twitter

On @OfficeInsider, we post frequently about Insider releases and host special events for Insiders.

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Useful links

Update history for Office 2016 for Mac

What's new in Office 365

Release notes for Office 2016 for Mac 

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