IOS 6 "lost" my calendar data

When I updated my iPad to the new OS all the data on my calendar from previous months disappeared! I was keeping track of some important information and now it is gone. I am not able to reconstruct some of this data. Where did it go and can I retrieve it somehow? Please help!

I had the same problem with my iphone 4S, but I don't have a menu item BKesley4 mentioned. My solution was:
To sync your calendars using iTunes:
With iTunes open, connect your iPhone or iPod to your computer.
Click the Info tab (or the Contacts tab)
Click on Sync Calendars checkbox if it's not checked in
Uncheck "Do not sync events older than x days"
Click Apply

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Ios 5.1: my calendar dates are not shown in the notification center

My calendar dates (from today and tomorrow) are not shown in the notification center. Under notifications I have activated the calendar app. What can Ido?

IOS / is no out for a couple of weeks and Apple seems to be reluctant to fix this problem. As a business device it becomes rediculous to be not able to see my calender entries anymore in the notification center. Is Apple now leaving the business arena and focusing on toys ?

I lost my calendar data with Yosemite 10.10.2

MacBook Air (late 2010) with installed OWC 480 gig SSD hard drive. Updated to Yosemite 10.10.2
Only my calendar data lost. My husband's data is fine both for office and home. My new data is now in a file called 'Calendar' which I did not create. Old file was AMWhome. I changed the name from 'home' a year or so ago in order to differentiate from my husband's home file.
Restoring data to the newly named 'Calendar' brings back the AMWhome name and data for about 3 seconds and then it is gone! I found these files in the trash.
I have my data on another machine (MacBook Pro) which I took off-line and copied the data file. I tried to restore the data from the file from the MacBook Pro with the same result, the AMWhome appears and the data appears for about 3 seconds and is gone.
So, now what can I do?
I cannot empty the trash on my MacBook Air and cannot go online with my MacBook Pro.
Help!
Thank you,
Adele Ward

1. Are you positive you looked at the correct backup IPD file. If it was backed up during the upgrade, it would be named something like "loader backup**todays date**.ipd"
They are normally saved to the My Documents folder.
2. Do you sync to Outlook or any application on your PC?
1. If any post helps you please click the below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
Join our BBM Channels (Beta)
BlackBerry Support Forums Channel
PIN: C0001B7B4 Display/Scan Bar Code
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I have lost my calendar data and am having a hard time retrieving it from Time Capsule. Can anyone help? I am using Mountain lion OS

I have lost my iCal data and am having a hard time retrieving it from Time Capsule. I am using Mountain Lion OS om iMac. Can anyone help?

You cannot see it because it is hidden.. one of those great things apple does.. if it is hidden in your Mac then it will be hidden in the Time Machine Backup.
You will need to restore the entire folder to a different location.. and unhide it.
There is some info here about restoring particular files or folders.
http://pondini.org/TM/16.html
And some info from Lion which should also relate to Mountain Lion.
https://discussions.apple.com/thread/3231381?start=0&tstart=0
There is stuff about recovery near the end.
One wonders sometimes when Apple make these decisions if they ever think about what happens when something goes wrong. Hiding files..???

I lost my calendar data

All of a sudden, my calendar data disappeared. About a week after installing Mountain Lion. Nothing else to say...
Any ideas?

Have you ever made a backup or Export your calendar archieve?
If you go to File, Export -> Calendar Archieve
you can save files whenever you feel like.
Or, do you have a compete Time Machines backup?

Ios 4.1 Search Calendar data entry delayed by "Instant Search".

When attempting to enter search data into the Calendar Search Box, display of characters entered is delayed. The first character is fine, the second will hold the character display above its key for about 4 seconds and then display it in the Search Box after the +Instant Search+ results based on the first character entered have been displayed.
Entry of more characters while the second character is still "hanging" results in their keyboard clicks being delayed until the second character has been displayed in the Search Box and then they will all display too. The situation repeats itself if one restarts data entry after a pause.
I note that the same problem _does not exist_ in the +Spotlight Search+ which, in my case, is set to search all +data types+, not just the Calendar.
Anyone else experiencing this issue?
Suggestions? (Other than switching to a 3rd Party calendar.)

Thanks for the suggestions. Reset was the first thing I tried - No improvement. My second thought was the data until I tried the Spotlight Search and that works fine on the same data.
I've only noticed this problem since the iOS4.1 release and will postpone an OS reload until I see if anyone else is experiencing the issue. I note that many people have already reported the initial calendar display problem that has manifested itself with this release and if Apple QA let that one through, there are probably more.

I lost my calendar data when upgrading from OS 8 to new OS 10

The OS upgrade worked fine. Upon opening iCal in new Mountain Lion, I don't find any of my calendar entries from before the OS upgrade.

I have the same problem migrating from a G4 iMac running 10.4 to an intel iMac running 10.6. Cannot even import calendar files exported from the old machine. Help!

Lost all calendar data when upgrading from 10.4.11 to 10.6.1

So I bought the "MacOS X Boxed Set" for SNow Leopard, and installed it over my former 10.4.11 install on the main drive of my Intel-based iMac. Everything seems to have made the transition just fine -- my desktop icons, my emails, my dock, etc. Except for iCal. I open it and it's blank! Why? How do I restore all the recurring events and such that were in iCal previously?

I have the same problem migrating from a G4 iMac running 10.4 to an intel iMac running 10.6. Cannot even import calendar files exported from the old machine. Help!

Recovery of Calendar data lost when Merging with iCloud

I Was wondering if anyone could help.
Basically, I have somehow managed to wipe ALL the entries from my partners iPhone 5c calendar when turning calendars on for iCloud. When prompted I pressed the merge calendars button and then everything disappeared. I turned iCloud calendars off again and the calendar which was called something like "on my iphone" has disappeared.
I downloaded some 3rd party software which scanned the phone and found the calendar entries, but to restore them would cost my £55 for the full version of the software. Is there a way to access this data and restore it without spending this sort of money?
Just to complicate matters, a backup of her phone hasn't been done since the start of june, roughly 7 weeks ago. I'm concerned that if I restore from that backup she'll lose contacts she's added since there along with saves and other updates she's made to apps on her phone, which will put me in even more trouble than I'm in already. I'm guessing the phone hasn't been synced with iTunes since this backup was made, although I have transferred recent purchases.
So, is there a way to recover the calendar data that has disappeared without losing anything else?
Thanks for for your help

Hi
No I hadn't created a Calendar Archive before this mishap (I will now), and I thought it would be covered by the Time Machine Backup. I was activating my iCloud drive for the first time and I think that it was doing this that somehow lost the calendar data. Previously the Calendar data was on the Mac hard drive.
I have now managed to get the old calendar back, but I don't quite know how.
The links to calendar backup in your reply led me to tinker more with the Time Machine, and the data on the My Passport drive directly. I could not see the any calendar directly in Finder or Time Machine, but a Finder search on My Passport's latest backup showed various calendar stuff, including .ics files, in [users/myname/library] which were hidden.
I either restored one of these, or imported one via Calendar. I tried both, but neither seemed to work at the time. However, I reopened Calendar a some time later and found that the “lost” calendar had returned.
I couldn't find a way of revealing hidden files in the preferences, and I think that the library containing the Calendar files must be hidden because I could only see them via “search”.
Anyway, all's well that ends well, but I wish that I really knew how I fixed it. Thanks for your help.

RECOVERY OF CALENDAR DATA

I have a Macbook Air operating on Yosemite 10.10.1.
I have just inadvertently lost all of my Calendar data by activating the iCloud Drive and then realising that I didn't want to put the Calendar on it and deselecting this on the iCloud Preferences.
It did come up with a message saying that all data on he drive would be deleted from the Mac, but I didn't think that I had put anything on it at that stage.
I would like to recover the Calendar. I have back-up on a Passport-for-Mac using Time Machine, but cannot identify where the "old" Calendar data file is.
Can anybody help please?

Hi
No I hadn't created a Calendar Archive before this mishap (I will now), and I thought it would be covered by the Time Machine Backup. I was activating my iCloud drive for the first time and I think that it was doing this that somehow lost the calendar data. Previously the Calendar data was on the Mac hard drive.
I have now managed to get the old calendar back, but I don't quite know how.
The links to calendar backup in your reply led me to tinker more with the Time Machine, and the data on the My Passport drive directly. I could not see the any calendar directly in Finder or Time Machine, but a Finder search on My Passport's latest backup showed various calendar stuff, including .ics files, in [users/myname/library] which were hidden.
I either restored one of these, or imported one via Calendar. I tried both, but neither seemed to work at the time. However, I reopened Calendar a some time later and found that the “lost” calendar had returned.
I couldn't find a way of revealing hidden files in the preferences, and I think that the library containing the Calendar files must be hidden because I could only see them via “search”.
Anyway, all's well that ends well, but I wish that I really knew how I fixed it. Thanks for your help.

Calendar data recovery.

iPhone calendar was inadvertantly set to NOT keep track of events more than 30-days old. After 2 months of losing calendar items this was corrected. If their any way to recover the lost calendar items?

Hi
No I hadn't created a Calendar Archive before this mishap (I will now), and I thought it would be covered by the Time Machine Backup. I was activating my iCloud drive for the first time and I think that it was doing this that somehow lost the calendar data. Previously the Calendar data was on the Mac hard drive.
I have now managed to get the old calendar back, but I don't quite know how.
The links to calendar backup in your reply led me to tinker more with the Time Machine, and the data on the My Passport drive directly. I could not see the any calendar directly in Finder or Time Machine, but a Finder search on My Passport's latest backup showed various calendar stuff, including .ics files, in [users/myname/library] which were hidden.
I either restored one of these, or imported one via Calendar. I tried both, but neither seemed to work at the time. However, I reopened Calendar a some time later and found that the “lost” calendar had returned.
I couldn't find a way of revealing hidden files in the preferences, and I think that the library containing the Calendar files must be hidden because I could only see them via “search”.
Anyway, all's well that ends well, but I wish that I really knew how I fixed it. Thanks for your help.

IOS 8.1 - after update how can I get my lost calendar data back?

Hi, after the update to iOS 8.1 is my calendar empy. All my appointements are gone and there is no way to safe new appointments in it. I tried to use the backup of the data, but it did not work. Any clou how can I get my lost calendar data back? And or get the calendar working again???
Thanks!

You sign into whatever iCloud or Mail account the calendar was synced to, and enable the Calendar option for those accounts.

HELP - I've lost all my Calendar data, most of my Notes, and other issues

In priority order:
1. Sometime in the last two days my iPhone 4S, with IOS 7.0.4, lost all my Calendar data except birthdays from Contacts.
2. Most of my Notes are lost except those from PC.
WRT the above, iPad data is still intact.
3. IOS 7.0.4 crashes apps A LOT! Even Apple apps.
4. IOS 7.0.4 is slow.

Resolved items 1 & 2 by rebooting the phone. I am happy that it resolved, but it shouldn't have happened n the first place.

I have lost all my calendar data without having done anything with the phone to cause it. I did not download the latest update yet. I have been to iCloud and the calendar is empty there too. Please help.

Lost calendar data

@esmiralda2246
These are some helpful links to assist you in moving forward
Recovering iCloud contacts, calendars, and bookmarks from an iTunes backup of an iOS device - Apple Support
iCloud: Troubleshooting iCloud Calendar - Apple Support

HT1296 I have a problem synching calendar data between my iPhone 3GS iOS 5.1 & Outlook 2007 on MS7. The basic calendar is OK but the birthdays (little box icon) are a day early & cannot be changed to the correct date. How can I fix this?

I have a problem synching calendar data between my iPhone 3GS iOS 5.1 & Outlook 2007 on MS7. The basic calendar data transfer is OK but the birthdays (little box icon) are a day early & cannot be changed to the correct date. The birthday entries in my Outlook contacts have correct dates.How can I fix this?

The following peocess corrects the calendar entry:
edit the contact & change the birthday, save the change; edit the contact & change the birthday to the correct value, save the change again. The calendar entry then displays on the correct date. Alternatively as a temp solution I can just de-select the "birthdays" calendar which stops the icon being displayed.
Thanks for your advice, I think that it's n going to be a slow process to fix all the entries for not much return.

IOS 6 "lost" my calendar data

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