How CalDAV sync makes your work easy? 

1. Create/ Edit events  while you are offline on your phone, and it automatically syncs with your Zoho Calendar when you go online.
   
2. Quickly change your schedule from your phone itself.
   
3. Sync multiple calendars  with your device in one go. You can also sync the same calendar on multiple devices.
   
4. Get notifications/ reminders  for events on Zoho Calendar.
   

What calendars can you sync via CalDAV?

1. Personal Calendars (My Calendars) - Two-way sync:
   Personal Calendars will be synced in two-way mode. The events in these calendars can be edited on your device and will be updated across Zoho Calendar and your device. 

1. Group Calendars - Two-way sync:
   Group Calendars will be synced in two-way mode and the events in these calendars can be edited on your device. 

1. Other Calendars (Shared Calendars) - Two-way sync:
   Shared Calendars will be synced in two-way mode and the events in these calendars can be edited on your device.

1. Other Calendars (Subscribed Calendars) - Read-only mode:
   Subscribed Calendars will be synced in read-only mode and the event in these calendars cannot be edited on your device.

Configuring CalDAV sync between Zoho Calendar and your device

1. Login to  Zoho Calendar .
   
2. Go to  Settings   > Calendar > Synchronize > CalDAV .
   
3. In the  My Calendars  tab under CalDAV, the default calendar will be auto-selected for CalDAV sync. You can also select other personal calendars listed below in My Calendars for sync using CalDAV.
   
   
4. To sync your Other Calendars (Subscribed Calendars and Shared Calendars), navigate to the Other Calendars tab in CalDAV sync and select the respective calendars. 
   
   
5. To sync your Group Calendars , navigate to the Group Calendars tab in CalDAV sync and select the respective calendars. 
   
   

1. CalDAV sync for Other Calendars (Shared and Subscribed Calendars) and Group Calendars is available only for Paid Org users and Personal users.
   
2. Subscribed Calendars (Other Calendars) will be synced in read-only mode. You will not be able to add/ edit events in these calendars.

1. CalDAV can be configured for OS X Calendar, BusyCal and Fantastical (MacBook), iPhone and iPad, Thunderbird Lightning, eM Client and Gnome's Evolution calendar.
   
2. Also, you can sync your Outlook Calendar by configuring the CalDAV Sync plug-in for Outlook .

Steps to configure CalDAV sync for OS X Calendar, BusyCal and Fantastical

1. Open the OS X Calendar/ BusyCal/ Fantastical on your device.
   
2. Go to  Calendar > Preferences > Accounts > Add .
   
   
3. Click  Other CalDAV account option and press Continue .
   
4. Choose the account type as  Manual .
   
5. Fill the Username field with the email ID of your Zoho account and the password.
   
   

   If you have enabled Two Factor Authentication (TFA), you have to generate  Application Specific Password  to proceed.
6. Enter the server address as  https://calendar.zoho.com/  (The server address after https://  will vary for different data centers. Refer here .) and  Sign in .
   
   
   
7. The events will be automatically synced between both the calendars.
   
8. To delete the CalDAV account, go to  Calendar > Preferences > Accounts , click on the account you want to delete, click the  Remove  icon and click  Ok .
   
   
   
   

Steps to configure CalDAV sync for iPhone and iPad

1. Navigate to  Settings > Accounts and Passwords > Add account .
         
2. Click on  Other option in the Add account page.
   
   
3. Select  Add CalDAV account to proceed.
   
   
4. Enter the server as  https://calendar.zoho.com/  (The server address after  https://  will vary for different data centers.  Refer here .)
5. Enter your Zoho account email ID in the Username field and your Password.
   
   

   If you have enabled Two Factor Authentication (TFA), you have to generate  Application Specific Password  to proceed.
6. Type your choice of Description for this CalDAV account and click  Next .
   
   
   
7. Turn on/off the notifications for Reminders and click  Save .
   
   
8. To check if your CalDAV sync was successful, open the Calendar app on your iPhone/iPad and click on Calendars from the bottom-centre of the screen. 
   
   
9. You will be able to see the list of calendars from your Zoho account that are currently synced with your iPhone/iPad calendar app.
   
   
10. Go to your Zoho Calendar web version, create an event in a specific calendar and refresh the page.
    
    
11. The recently added event will be synced with your iPhone/iPad calendar app.
    
    
12. In case you want to delete your CalDAV account, go to  Settings > Accounts & Passwords > Accounts , click on the account you want to delete and press the  Delete Account  option.
    

CalDAV sync for Thunderbird Lightning

Steps to fetch the Calendar ID

1. Login to  Zoho Calendar .
   
2. Select the calendar for which you want to fetch the calendar ID by right clicking from the left pane of the screen.
   
3. Click on  Edit  from the drop down.
   
   
4. In the Edit Calendar  tab click the  Calendar ID .
   
   
5. Copy the URL containing the calendar ID of the Calendar.
   
   

Steps to configure CalDAV sync for Thunderbird Lightning

1. Open Thunderbird Lightning calendar on your device.
   
2. Go to  File > New > Calendar .
   
   
3. Select  On the Network  and click  Continue .
   
   
4. Choose the CalDAV format and enter the location URL as " https://calendar.zoho.com/caldav/ Calendar ID /events/".
   
5. Replace the Calendar ID in the URL by fetching the Calendar ID using the procedure given above.  Example URL: https://calendar.zoho.com/caldav/350690777e7/events/  , where "350690777e7" is the Calendar ID. 
   
6. Select  Offline support  and Click  Continue .
   
   
7. Enter the  Name  of the calendar, customize the  Color ,  Reminders  and click  Continue .
   
   
8. Click Done  to complete the process.
   
   
9. To delete a calendar added via CalDAV for Thunderbird Lightning, right click the calendar from the left side of the screen. Click on  Unsubscribe .
   

Steps to configure CalDAV sync for eM Client

1. Go to  Menu > Tools > Accounts .
   
   
2. Click on the  Add  icon.
   
   
3. Select the option  Calendar  in the dialog box.
   
4. Click on  CalDAV  from the list of calendars and click  Next .
   
   
5. Enter the Account Address URL as  https://calendar.zoho.com/.well-known/caldav  in the Server information dialog box. The domain name ( calendar.zoho.com ) in the Account Address URL will vary based on the server region in which the account is hosted. Learn more .) 
6. Enter the Zoho Calendar email ID in the  Username  and type the  Password and click Next.
   

   If you have enabled Two Factor Authentication (TFA), you have to generate  Application Specific Password  to proceed.
   
   
   
   
   
   
7. Fill the  Account name  in the Account details sections and click  Next .
   
   
8. Click the  Finish  button to create the account.
   
   
9. Go to your Zoho calendar and Refresh the page to sync all events.
10. To delete a CalDAV account on eM Client, go to  Tools > Accounts . You will see a list of the eM client accounts added on the left-hand side. Click on the account you want to delete and click the  Delete  button next to it.
    

Steps to Configure CalDAV Sync for Gnome's Evolution Calendar

1. Go to  File > New > Calendar.
   
   
   
2. In the  New Calendar  pop-up window, choose  CalDAV  from the  Type  drop-down.
   
3. Provide the name of the calendar and choose the calendar color.
   
4. Provide the server address https://calendar.zoho.com/  in the  URL  field. (The server address (.com, .eu, .au, etc.,) will vary based on the server in which your account is hosted. Refer here .)
   
5. Provide the name of the user, email address and click on Find Calendars.
   
6. The calendars you chose to sync via CalDAV sync will be listed in the  Choose a calendar  pop-up. Learn more .
   
7. Choose the calendar you want to sync from the pop-up menu and click  OK. (You can sync only one calendar at a time)
   
   
8. The calendar name and URL will change based on the calendar chosen.
   
9. Choose the time period to refresh your calendar to reflect the synced data.
   
10. Click  OK.  The calendar you chose to sync via CalDAV will be added to your Evolution Calendar and the events from the chosen calendar will be displayed in your Evolution Calendar.
    

1. App Calendars in Zoho Calendar cannot be synced via CalDAV.
   
2. When the CalDAV account is deleted, all events created and synchronized under the particular CalDAV account will be removed but will remain in your Zoho Calendar account.
   
3. Calendars from your Zoho Calendar account synced to other calendar apps using CalDAV can be deleted/removed only from the calendar apps and not from the Zoho Calendar account itself.
   
4. When you delete a Zoho Calendar from the CalDAV account on other calendar apps, the calendar automatically gets disabled for CalDAV sync in your Zoho account and you need to enable later.
   
5. You cannot create/add a new calendar on your Zoho Calendar account using the CalDAV account configured on your device's calendar.
   

Troubleshoot CalDAV Sync

Unable to login via CalDAV account

If you are facing issues while logging into your Zoho Calendar account via CalDAV, then make sure to check for your Username and Password.

If you have enabled Two Factor Authentication (TFA), you have to generate  Application Specific Password  to proceed.

Some events from Zoho Calendar aren't synchronizing with the CalDAV account

For EU / US users