Very often customers notice having duplicated data in their Microsoft Outlook or Salesforce, or even notice records being deleted and/or modified.
This is usually related to having more than one application synchronizing data between Outlook and Salesforce. Salesforce offers a few different applications to allow users to synchronize their contacts, events, and tasks with their Outlook or mobile device and since Outlook usually is linked and syncs up with the mobile device, it could cause duplication, deletion or unwanted updates.
This article will explain a few possible scenarios that could cause your Outlook data to be duplicated or deleted as well as how to identify the root cause and prevent any future duplication or deletion
Also keep in mind that
1. Deletion of duplicated records in Outlook is a manual process unless you have a 3rd party application that performs that task for you.
2. Deleted records in Outlook will go to the Deleted items folder that you can easily recover
3. Deleted items in Salesforce will end up in the user's Recycle Bin that also can be restored within 15 days
(The Recycle Bin lets you view and restore recently deleted records for 15 days before they are permanently deleted. Your Recycle Bin record limit is 25 times the Megabytes (MBs) in your storage. For example, if your organization has 1 GB of storage then your limit is 25 times 1000 MB or 25,000 records. If your organization reaches its Recycle Bin limit, Salesforce automatically removes the oldest records if they have been in the Recycle Bin for at least two hours)
Before you begin, it would be best if you have a better understanding of the sync process for your Outlook data.
Assuming you have a corporate email with a mail server such as Microsoft Exchange that hosts your mailbox and allows you to send and receive email. When you enter data in your Outlook, it syncs up with your mail server and copies the data into the mail server. Now if you have a mobile device with the same email address configured then most probably its configured to sync up with your mail server as well. This means anything new record created on your mobile device will show up in your Outlook
Same process is valid if you more than one computer with the same email account and Outlook. If you open your Outlook on computer number 2 and add a new contact, that contact will end up on the mail server and then will sync down to computer number 1 as well as your mobile.
The same rule can also apply for deletion.
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