Outlook updating conflicts
The actual items involved are kept in subfolders called; When an item is in such a folder, it means its changes either could not be uploaded or download or the same item got edited on two separate locations at the same time.If you still need the items which are listed there, verify if they still exist in your mailbox and also exist on the server by using Outlook Web Access when using an Exchange account or Windows Live Hotmail if you are using the Outlook Connector.When you have Cached Exchange Mode enabled, Outlook by will by default cache the main Global Address List as well.This is called the Offline Address Book and is being generated on the Exchange server.Even though Outlook is the last in the chain, it is often the first level where the troubleshooting takes place as usually this is where the request is coming from.It sounds like you are using an Exchange account or the Outlook Hotmail Connector add-in.In both cases, the Sync Issues folder is located in Outlook itself. To see the folder, you’ll need to switch to the Folder List Navigation.
Due to various synching schedules, it can take up to 48 hours before you could actually see a change in Outlook after a modification has been made on the Exchange server or in Active Directory.
In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.
If they are not, then you can move the item to a folder of choice and see if the changes get uploaded now.
If everything is in order, you can cleanup the Sync Issues folder if you want.
This means that in the worst possible scenario, an update to the Address Book won’t become available to the user until 48 hours after the change.
This situation however is extremely rare since the default maintenance time on Exchange is at AM and updates and downloads are usually performed during working hours.