Importing an ICS file to your calendar

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Select “File” from Apple iCalendar main menu.
• Select “Import” from the drop-down menu.
• Select the .ICS file from the pop-up dialog box.
• Select the iCloud calendar into which you wish to add the event(s).
  You can either select an existing calendar from a list or choose “New Calendar” to create a new calendar.
• When ready click OK to start importing data from ICS file.

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Open Google Calendar from your desktop browser.
• Click on the gear icon located on the left side of your profile picture.
• When you see the drop-down menu, select ‘Settings.’
• Choose the option ‘Import and Export.’
• Under the Import and Export section, select the option ‘Import.’
• Now click the option ‘select file from your computer.’
• Find and open the ICS file that you want to use.
• Choose the calendar that you want to import into the ICS file.
• After that click ‘Import.’

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Open Outlook
• Go to Outlook iCalendar and select File
• Select Import and then Import/Export Wizard
• In the dialog box, select Import from another program or file and click Next
• Select the ICS (.ics) file and click Next
• Select Browse and then click Finish 

You can also import an ICS file to Outlook on the web by following these steps:

• Sign in to Outlook on the web
• Click the Calendar icon at the bottom of the navigation pane
• Click Add calendar on the toolbar
• Click From file, then Browse and select an ICS file
• Click Open
• Click the down arrow next to Calendar and select a calendar from the list
• Click Save 

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Login to Outlook on the web account by entering the credentials.
• Click on the Outlook navigation bar: “ App Launcher” then “Calendar”
• In Outlook Calendar, choose “New” down arrow, then the “Add calendar” option.
• Select an ICS file the from File → Browse option.
• Click on Open → choose down arrow.
• Select calendar type → Save button

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Go to your Yahoo calendars (a button on right side menu in the mail tool),
• Open to the full view.
• Select the down-arrow next to your calendar’s name, and choose Edit Calendar.
• Select the “Import’ option from the drop-down menu.
• Select the ICS file saved earlier.

• Download the ICS file to your PC or mobile device by right clicking on the icon and then the "Save link as..." option.
• Sign in to AOL Mail.
• Click Calendar.
• In the upper right, click More | select Import.
• Enter a Calendar URL or choose a Calendar File.
• Next to "Target Calendar," click the calendar drop-down list and select a calendar you want to import events into.
• Next to "File Type," choose the option that matches the file you'd like to import.
• Click Import.

Using the eM Client

• In eM Client, go to Menu > File > Import > iCalendar.
• Then select the ICS file or URL you have and choose the AOL calendar as the destination.