Microsoft Outlook provides not only email ca­pa­bil­i­ties but also extensive groupware func­tion­al­i­ties for managing contacts, tasks, and ap­point­ments. Busi­ness­es utilize Outlook’s calendar feature to organize col­lab­o­ra­tion and plan meetings. Shared sched­ul­ing is made easier through Outlook calendar sharing, both within the or­ga­ni­za­tion and with external parties.

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How to share an Outlook calendar quick guide

  1. Open calendar view > Home tab > click on Share calendar
  2. Select calendar and adjust per­mis­sion settings > OK
  3. Select contact under Add > Adjust au­tho­riza­tion settings > OK

Microsoft Office 365 provides cloud-based office ap­pli­ca­tions, whereas Outlook is a desktop ap­pli­ca­tion installed locally. For personal use, it is primarily utilized as an email program that manages multiple accounts. In or­ga­ni­za­tion­al settings, Outlook often acts as a client for the Microsoft Exchange Server, which serves as a central hub for emails, ap­point­ments, and tasks. The following sections will demon­strate the options available for sharing calendars both in the Outlook desktop ap­pli­ca­tion and the web version.

Note

In this article, we provide you with step-by-step in­struc­tions for the Outlook versions of Microsoft 365 as well as for Outlook 2021, Outlook 2019 and Outlook 2016. The user interface differs depending on the version and Outlook view settings. However, the process for exporting contacts from Outlook is basically the same.

How to share a calendar in Outlook desktop

In the Outlook desktop version, you have the following options for granting other people access to calendar in­for­ma­tion:

  • Share the Outlook calendar as a snapshot
  • Share the Outlook calendar (only in com­bi­na­tion with an exchange server)
  • Share the Outlook calendar by pub­lish­ing it on a website
Note

The following screen­shots were created with Microsoft 365 Outlook.

How to share your Outlook calendar as a snapshot

Re­gard­less of how Outlook is used in your home or business, the desktop ap­pli­ca­tion will allow you to send a snapshot of your calendar by email. Follow these steps:

  1. Click on the Calendar tab in the footer bar of your Outlook ap­pli­ca­tion window.
Image: Outlook: Calendar view for a single day
Outlook offers different views for different functions, such as E-mail, Calendar, People, and Tasks.
Note

Sharing calendars in Outlook is not limited to just the default calendar au­to­mat­i­cal­ly generated in each Outlook profile. Create as many calendars as you like and share them with different people as needed.

  1. Select the Home tab in the toolbar and click on Email Calendar under Share.
Image: Microsoft Outlook: View of the calendar toolbar in the “Home” tab
Go to the “Home” tab, and you will find various functions in the “Share” field to share your Outlook calendar.
  1. A window will open for a new message, and the dialog box Send a Calendar via Email will appear. There you can select the desired calendar and a time period. You can select the entire calendar or just in­di­vid­ual days, weeks or months.
Image: Outlook: Dialog box “Send a Calendar via Email”
In the “Send a Calendar via Email” dialog box, select “Share as Snapshot” in the calendar section.
  1. Select one of three levels of detail to define what in­for­ma­tion the calendar section should contain.
Image: Outlook: Select the level of detail in the “Send a Calendar via Email” dialog box
With Outlook, you define in detail which calendar in­for­ma­tion you share with other users.
  1. Under Advanced, Outlook offers the option of including ap­point­ments and at­tach­ments marked as private in the snapshot of your calendar. You can also choose one of two email layouts:
  • Daily schedule
  • List of events
Tip

If you mark an ap­point­ment as private in Outlook, it will not be displayed when sharing the calendar or in snapshots. Unless you ex­plic­it­ly include items marked as private by checking the cor­re­spond­ing box.

Image: Outlook: Advanced options in the “Send a Calendar via Email” dialog box
In the standard con­fig­u­ra­tion, events marked as private are hidden in the calendar section.

Once you have selected the desired calendar and made settings for the time period, the level of detail and the display format, confirm with OK. Outlook will then insert a copy of the selected calendar section as a snapshot in a new email.

Image: Outlook: Calendar ready to send by email
In addition to reg­is­tered events, the daily schedule also shows when the calendar owner has free periods.
  1. Enter the desired recipient’s email address and add a personal message to the email if required. Click Submit to share your Outlook calendar.

Each message created with the “Send a Calendar via Email” function also contains an iCalendar file (ICS), which enables the recipient to open the selected calendar section in any calendar program. The file format is supported by various products from different providers. The best known of these ap­pli­ca­tions include Google Calendar, Apple Calendar, IBM Lotus Notes, Yahoo! Calendar, Evolution, eM Client, Mozilla Thun­der­bird, SeaMonkey and Novell GroupWise.

How to share your Outlook calendar with Microsoft Exchange Server

If you use your Outlook desktop ap­pli­ca­tion in con­junc­tion with an exchange server, the software allows you to share calendars that are updated au­to­mat­i­cal­ly. To share an Outlook calendar, you can send a sharing in­vi­ta­tion to people both inside and outside your company. Al­ter­na­tive­ly, Outlook allows you to publish your calendar on a website.

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How to share your calendar with people inside your own or­ga­ni­za­tion

To share your Outlook Calendar with a person in your or­ga­ni­za­tion, follow these steps:

  1. Select the calendar view in your Outlook desktop ap­pli­ca­tion. Then go to the Home tab in the toolbar and then Share Calendar in the Share section.
Image: Outlook: Calendar view toolbar in the “Home” tab
The “Share Calendar” function is only available in your Outlook desktop app in com­bi­na­tion with an Exchange Server.
  1. In the dialog box that appears, use the Add section to search for in­di­vid­u­als in your address book that your wish to share your calendar with. Select the desired Outlook calendar per­mis­sions for each person, then click OK to send an automatic sharing in­vi­ta­tion via email. You can modify the access levels for others at any time via this menu.
Image: Outlook: Sharing properties
With an Exchange-based Outlook, you can easily send sharing in­vi­ta­tions by selecting the entire or­ga­ni­za­tion or in­di­vid­ual contacts.

Re­cip­i­ents who receive a sharing in­vi­ta­tion by email only need to click on the Open calendar button to add the sharing calendar to their own calendar list.

If you want to stop sharing your calendar again, select the people you want to revoke access to under Currently shared with:. Click on Remove and then OK to save the changes.

How to share your calendar with people outside your or­ga­ni­za­tion

Do you want to share your Outlook Calendar with contacts outside your or­ga­ni­za­tion? It is more or less the same process as sharing a calendar with col­leagues. However, something to note is that many networks limit your ability to share detailed calendar in­for­ma­tion with those not in your network.

How many details your or­ga­ni­za­tion can share with external users is set out by your network ad­min­is­tra­tor in the sharing policy settings. If it is not possible to share your calendar with the desired level of detail, you will receive an error message stating that the calendar cannot be shared.

In this case, contact the ad­min­is­tra­tor of your network or select a different level of detail.

How to publish a calendar to a website

Another way to share an Outlook calendar with people outside your own or­ga­ni­za­tion is to publish it on a website set up specif­i­cal­ly for this purpose. Outlook offers the Publish Online function for this purpose. Please note that you need a web server that supports the WebDAV protocol. Proceed as follows when pub­lish­ing:

  1. Go back to the Outlook calendar view, check the calendar you want to share and select the Home tab. There, click on Publish Online.
Image: Outlook: Publish your calendar online
Another option is to publish your calendar online.
  1. The Publish to WebDav Server… function is displayed in the drop-down menu. Select this function.
Image: Outlook: Calendar view toolbar in the “Home” tab
If you want to delete a published calendar website, click on the cor­re­spond­ing “Remove from server” button.
Note

Al­ter­na­tive­ly, some Outlook im­ple­men­ta­tions offer the option of pub­lish­ing calendar websites directly on the Exchange server within your own network.

  1. If you decide to publish to a WebDav server, Outlook will prompt you for the WebDav server address, and the desired time span and level of detail using the Publish Calendar to Cus­tomised Server box.
Image: Outlook dialog window: “Publish Calendar to Customised Server”
It is possible to publish only a section of your calendar, if required.
  1. In the Publish Calendar to Cus­tomised Server dialog box, click Advanced… to make detailed settings for upload method, private items or update frequency.
Image: Outlook dialog box: Published calendar settings
Select the “Automatic Uploads” option to have the published calendar website updated regularly
Note

Calendar in­for­ma­tion that you post on a website is visible to anyone who knows the website’s URL.

How to share your Outlook calendar on the web and the new Outlook

Sharing calendars works slightly dif­fer­ent­ly in the web version of Outlook and the new Outlook:

  1. Select the calendar you want to share and click Share.
Image: Outlook on the Web: Toolbar in the calendar view
In Outlook Web, sharing calendars has been sig­nif­i­cant­ly sim­pli­fied.

In the Sharing and per­mis­sions dialog box that appears, you can view who has access to your calendar both within and outside your or­ga­ni­za­tion. You can also modify the Outlook calendar per­mis­sion settings directly from there.

  1. To share the calendar with a new person, enter their email address or contact name in the input field.
Image: Outlook on the web: Settings for sharing a calendar
You can share your calendar with new people and stop sharing via the “Sharing and per­mis­sions” dialog box.
  1. If you have entered an email address or a contact, you can adjust the au­tho­riza­tion settings via the drop-down menu. Click on Share to send an in­vi­ta­tion by email.
Image: Outlook on the web: Authorization settings for sharing a calendar
You can adjust the Outlook calendar per­mis­sion settings in the “Sharing and per­mis­sions” dialog box.
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