Outlook 2016 for Mac – Release notes for Insider Fast builds

Insider builds for Office 2016 for Mac are updated on a regular basis to provide new or improved features, security updates and bug fixes.  To see similar information about other Office for Mac apps, go to Release notes for Insider Fast builds of Office 2016 for Mac.

Learn how to install Office for Mac updates, and check out the information below to learn about each Insider Fast release.

October 19, 2017 release

Version: 16.7 (171017)

New or improved features:

  • Resize text in Mail: Increase or decrease text size in the Mail sidebar, message list, and reading pane using the slider control in Fonts preferences

  • Improved VoiceOver support in Calendar: Navigate between days in the Calendar grid and interact with specific days to navigate between events in those days; interact with the mini-calendar control in the sidebar to select specific weeks or days in the grid

Fixes:

  • Images in signatures are now displayed in sent mail (fixing known issue from last update)

  • When adding online meeting details to an event, a link for "Try Skype Web App" is now included

  • Encrypted mail in Online Archive folders is now properly displayed

  • Default font color for replies and forwards can now be changed in Fonts preferences

  • Added menu item for Scheduling to the Meeting menu to toggle Scheduling Assistant pane 

Known issues:

  • No known issues in this update 

Updated October 13, 2017 with highlight flagged mail under "New or improved features"

Version: 16.7 (171008)

Known issue:

  • Images in signatures aren't displayed in sent mail. A fix is expected in the next update. One workaround is to create the signature in Word and then copy and paste it to the message body when composing

New or improved features:

  • Highlight flagged mail: It's back! Mail flagged for follow-up is highlighted pale yellow in the message list

  • Google accounts: Appointments can now be moved or copied from Google calendars to Outlook.com, Office 365, and Exchange calendars

Fixes:

  • Office 365 sign-in or keychain access prompts are no longer displayed on first launch (fixing known issue from last update)

  • Outlook no longer crashes when attempting to send mail (fixing known issue from last update)

  • Account name is appended in the window title of mail and events when composing to help indicate From: account

  • When deleting a meeting that is already canceled or in the past, Outlook no longer prompts to notify the organizer

  • Buttons in the Reminder window are now in the keyboard tab order and can be pressed with spacebar key

  • Outlook no longer attempts to connect to Google accounts when working offline or not connected to the network

  • When working offline, Outlook no longer attempts to download contact photos for Office 365 and Exchange accounts

  • When sending mail with command-return shortcut, VoiceOver now announces mail was sent

  • When pressing "show all messages in this conversation" button in the message header, VoiceOver focus is now placed in the conversation index

  • Count of search results in the Search People (Address Book) window now displays properly

  • Added menu item for Room Finder to the Meeting menu

  • Spacebar key can now be used to select available rooms in Room Finder

  • Context menu for folders in the sidebar in non-Mail views now displays

Last updated Oct 4

Version: 16.6 (171001)

Known issues:

  • Office 365 sign-in or keychain access prompt on first launch for some users 

  • Signature images do not show up properly on sent mail. We are actively working on a fix. One possible workaround is to create the signature in Word and then copy and paste the signature to compose mail window.

  • Outlook crashes when trying to send mail. If you experience consistent crash with send mail workflow, please troubleshoot with us via Help > Contact Support.

New or improved features:

  • Emoji support when composing: see emoji added from Emoji & Symbols in the View menu

Fixes:

  • Smart Folders is no longer displayed in the Calendar view sidebar if there are no smart folders

  • Added menu item for Message Preview to the View menu

Version: 15.40 (170926)

Fixes:

  • High Sierra: fixed a crash on quit when reminders were present

  • Message Header: The Hide Details button is no longer displayed below the listing of attachments

  • Message Header: Polished layout of attachments and associated action buttons

New or improved features:

  • No new or improved features in this update

Known issues:

  • No known issues in this update 

Version: 15.39 (170919)

New or improved features:

  • Improved performance in the message list by displaying a window of most recent messages in the selected folder

  • Group card is now displayed when hovering over a group in the To: or Cc: lines in the message header

  • Added swipe trackpad gesture support to delete and archive emails

Fixes:

  • Polished layout of meeting response buttons in the meeting invitation header

Known issues:

  • No known issues in this update 

Updated Sept 15, 2017

Version: 15.39 (170913)

Known issue:

  • With some non-English versions of Outlook, Outlook crashes when clicking/selecting a message. This is fixed with the latest Insider Fast release version 15.39 (170915).

New or improved features:

  • Move/copy message: Improved VoiceOver support for searching and navigating folders in the Choose Folder sheet

Fixes:

  • Work offline: After restarting Outlook while still working offline, messages now remain in the Outbox instead of being sent

Version: 15.39 (170905)

New or improved features:

Fixes:

  • Scheduling assistant: Free/busy information is now properly displayed when shared calendars are open

  • Main window: When a message with a larger number of attachments is displayed, the top of the window no longer expands beyond the top of the screen

  • Calendar event: Improved tab order in the event window to navigation between start date, start time, end date, and end time

  • Mail sidebar: Updated ordering of special folders (e.g. Drafts, Sent, Trash, etc.) to better align with Outlook for iOS

Known issues:

  • No known issues in this update

Version: 15.39 (170829)

New or improved features:

  • F6 key can be used to quickly navigate between main areas, such as Ribbon and Sidebar, without having to tab through every control

  • Improved VoiceOver interaction in the Scheduling Assistant

Fixes:

  • Dragging and dropping contacts between To, Cc, and Bcc fields has been restored (known issue from last update)

  • Fixed issue where Outlook was continuously attempting to update certain folders, resulting in high CPU usage

  • Pasting content from Word when composing now correctly displays the clipboard icon with available paste options

  • Fixed issue where Outlook was crashing when using certain Add-ins, such as Boomerang

Known issues:

  • No known issues in this update

Version: 15.38 (170822)

New or improved features:

Fixes:

  • When composing a message, duplicate Attach File buttons are no longer displayed in the Ribbon

  • When using spacebar key to press view selection buttons in the Sidebar, keyboard focus now remains on the button pressed

Known issues:

  • macOS High Sierra: If you have the Cisco WebEx plugin installed, Outlook might crash

  • When composing a message, dragging and dropping contacts between To, Cc, and Bcc fields requires selecting, clicking, and holding before dragging

Version: 15.38 (170815)

New or improved features:

  • Improved app stability

  • Enabled Join/Leave Groups from Groups Contact Card

  • Improved keyboard and VoiceOver navigation on Calendar module

  • Room finder list now displays rooms in alphabetical order

  • Supported ICS file in UTF-8 BOM (Byte Order Mark)

Fixes:

  • Fixed a known issue in 15.38 (170809) where the Most Recently Used email list is empty when composing email

  • Fixed a mailbox sync issue when you add a Shared Mailbox that has a higher Exchange versions than the primary mailbox

  • Fixed Exchange account authentication issue due to timezone, particularly On-Premise Exchange Mailboxes. Now exchange account can be added with the valid credential

  • Fixed a issue where dismissed reminders keep coming back (on other Outlook endpoints)

Known issues:

  • No known issues at this time

Version: 15.38 (170809)

New or improved features:

  • Improved app stability on crash and hang

  • Added an option to cache password in Keychain when creating a Kerberos ID

  • Improved "Most Recently Used" cache logic to include recently sent email address

  • Improved compose message header so to enhance discoverability of which account the email is going to send from

  • Improved keyboard and VoiceOver navigation on Room Finder

Fixes:

  • Fixed a bug where 'Download all' and 'Preview all' options still remain after removing last attachment in the email

  • Fix a bug of missing free busy information when attendee size of a meeting is greater than 100 - instead of not showing any free/busy information, Outlook now shows the first 100 invitees' availability 

Known issues:

  • No known issues at this time

Version: 15.38 (170801)

New or improved features:

  • Improved app stability on crash and hang.

  • Improved keyboard and VoiceOver navigation on recurrence setting drop-down of meeting items.

  • Improved keyboard and VoiceOver navigation for announcing group join/joining/leave/leaving on Group cards.

  • Improved support message notifications so Outlook shows notification only when it's running in foreground.

Fixes:

  • Fixed a bug to create Outlook mail from mailto url from web browser.

  • Fixed a bug to insert signature below the content generated from mailto link

Known issues:

  • No known issues at this time

Version: 15.37 (170725)

New or improved features:

  • Improved keyboard and VoiceOver navigation for check name UI in compose email

  • Improved app stability on crash and hang

Fixes:

  • When importing an updated calendar event, Outlook will replace original calendar event instead of creating a duplicate

  • Fixed a bug where clicking on "More" on the recipient list does not expand the full list

Known issues:

  • No known issues at this time

Update: A new Insider Fast release is available on 7/20 with version 15.37 (170720). Issues on missing signature and online meeting links are fixed.

Version: 15.37 (170718)

New or improved features:

  • Smart folders list on the new side bar is now visible all time

  • Improved keyboard and VoiceOver navigation for meeting invites and email headers

  • Improved the visuals for drag and drop email(s) to folder

  • Provide a command to use domain-based AutoDiscover when adding Exchange mailbox (Applicable to specific O365 tenants, please contact your IT admin for details)

Fixes:

  • Fixed a reminder issue where created or modified reminders (included snoozed reminders) will not be displayed until you re-launch Outlook

  • Fixed a bug where moving a message with attachment from Inbox to another folder, the attachment is missing when displayed in the new folder

Known issues:

  • Online meeting details and links are missing when creating online meeting. We are working with server team to fix the issue - Update: this is fixed in 15.37 (170720) released on 7/20

  • When manually insert a signature in compose view, the signature is not actually being added. This will be fixed in the next Insider Fast release - Update: this is fixed in 15.37 (170720) released on 7/20

Version: 15.37 (170712)

New and improved features

  • Focused Inbox notification no longer re-prompts after pressing Cancel

  • Delegated and shared calendars and contacts are checked in the sidebar and displayed properly after adding

  • Folders can now be moved under account and On My Computer sections via drag and drop

  • Restored ability to drag and drop mail folder from sidebar to outside of Outlook to create an .mbox file

  • Improved keyboard and VoiceOver navigation when moving to and from "Show All" button in Outlook Preferences

  • Improved tab order in the Accounts preference window

Fixes:

  • Fixed a crash for machines with certain network connection settings or when switching networks

  • Filtering items by "This Week" when "First day of week" is set to Monday now works properly

Known issues:

  • Newly created or modified reminders (included snoozed reminders) will not be displayed until you re-launch Outlook. We've identified a fix which should reach the next Insider Fast update

Additional information:

  • For any issues, please use Help > Contact Support

  • For feature requests, please use Help > Suggest a Feature

  • To get on the Fast level, click Help > Check for Updates > Join the Office Insider program to get early access to new releases > Office Insider Fast

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