Outlook 2016 for Windows has all the tools and functionality you've used before, as well as new and improved features for professional email, calendar, contacts, and task management to help you communicate faster and easier.
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March 2017 updates
Set permissions on OneDrive email attachments
If you send a link to an attachment stored on OneDrive, you now have more control over who can read or who can edit your attachment. You can allow anyone in your organization to read or edit the attachment or limit access just to the recipient. If you try to send an attachment stored on a SharePoint online site and your recipient won't have access to the attachment due to permissions restrictions, Outlook will warn you and suggest you attach a copy of the attachment instead. For more information, see Attach a file to an email in Outlook for Windows.
February 2017 updates
Add guests to your Office 365 group
If you regularly collaborate with partners who are outside of your school or organization then you know how difficult it can be to keep them in the loop. That process just got easier with guest access. When you add guests to your Office 365 group, you grant them access to all information within the group, including conversations, calendar, project notes, and so on. They receive all communications in their inbox and can open and edit file attachments just like any other group member. For more information, see Add and remove group members in Outlook.
Collaborate on attachments in real time
With OneDrive, you can upload an refreshed version of an email attachment at any time. Use the drop-down menu on the attachment to either upload a revised version or save a new version. For more information, see Attach a file to an email in Outlook for Windows.
Keep your Outlook add-in open while you work
Many Outlook add-ins, such as Outlook Customer Manager, offer a task pane on the right side of the Outlook window. However, when you wanted to return to Outlook, that task pane would disappear. Now, you can keep that task pane open all the time, even when you're not working in the add-in.
Easier background removal
We've made it easier to remove and edit the background of a picture. Outlook automatically detects the general background area; you no longer have to draw a rectangle around the foreground of your picture. The pencil for marking areas to keep or remove can now draw free-form lines, rather than being limited to straight lines.
Events from email
Outlook can now automatically create events from email messages you receive with flight, hotel, or car reservations or package delivery and tracking information. No more booking a flight and then adding the flight details to your calendar manually. All events created are marked private, so only you can see them. For more information, see Automatically add travel and package delivery events to your calendar.
Modern In-App Help & Support
The Tell Me what you want to do box at the top of the Ribbon has been updated with improved search, content and recommendations to answer your questions better and fast. Now when you enter a search for a certain task, function or question you'll see a wide variety of options. If it's a quick task Outlook will try to let you take care of it right from the Tell Me pane. If it's a more complex question, we'll show you help that we think best matches your needs. Try it out to see how fast you can find what you're looking for and get things done.
Have an idea?
You can now suggest and vote on future feature ideas right from Outlook by clicking File > Feedback > Suggest a feature.
Browse and create groups from the ribbon
It's now even easier to browse and create groups in Outlook 2016 because two new buttons are available on the ribbon.
You'll find both buttons on the Home tab of the groups ribbon. For information about how to create a group, see Create a group in Outlook 2016.
Outlook 2016 Groups (Office 365 work or school account)
With Outlook 2016 you can use Groups instead of distribution lists to communicate and collaborate with your team members.
Groups are the better way to collaborate because:
You can create groups with a few clicks and organize them around topics and conversations to work with your teams.
With Groups in Outlook 2016, teams now have a shared place for all their email conversations with full history, allowing teams to engage with members right from the Group’s inbox, create team events, join existing Groups or create new ones.
You can add a group as a favorite just like a folder. Adding a group as a favorite gives you full access to conversation history when you are offline.
Get access to past conversations and history for Groups you have joined or added as a member.
Within the Groups shared space, messages are grouped together for each conversation to facilitate quick communication with your team. You can "Like" a message within a conversation and post a quick reply to have a quick back and forth conversations with your team.
You can also receive social notifications in Outlook when someone "Likes" your message.
Schedule meetings on a group calendar that everyone in group can update.
You can access a group’s conversation in your Inbox by subscribing to a group. This makes it behave like a distribution list. You can also unsubscribe at any time.
Manage groups from Outlook by adding or removing members.
For information about how to create a Group, see Create a group in Outlook 2016. Make sure to check the topics at the bottom of that article to learn about joining and managing groups, as well as other features.