If no items appear in the top pane, the folder is already empty skip to step 7. On the window that opens, click on the top pane, then press CTRL + A to select all items.In the left pane of MFCMAPI, double-click on the duplicate folder, which has the newer creation date and time.This can include email that was received in the Inbox, Contacts that were created, Calendar appointments that you scheduled and meetings that you accepted, follow these steps: These are items created after the duplicate folders were created. Use MFCMAPI to copy any items from the duplicate folder to the original folder.Work with one pair of folders at a time (for example, start with the two Calendar folders that appear). The duplicate folder will have a newer creation date and time. In the right pane, locate the Value column for the PR_CREATION_TIME property. Compare this value to the duplicate folder with the same name. To identify the duplicate folder, click one of the duplicate folders on the left pane. In the navigation pane (left-side pane), expand Root Container, and then expand Top of Information Store.In the top pane, locate the line that corresponds to your mailbox, and double-click it.If you are prompted for a profile, select your profile name, and then click OK.Use MDB_ONLINE when calling OpenMsgStore.Click on the Tools menu, then click Options.

Use MFCMapi to identify the duplicate folders.Exit Outlook and close OWA on all workstations that are connected to the user mailbox.The issue is caused by a mobile device or a third-party server application that synchronizes with the Exchange Server mailbox may unexpectedly introduce the duplication and it will be resolved by providing and instructing the customer to perform the steps outlined below. ĭuplicate folders in your Microsoft Exchange Server mailbox when view the Outlook folder list.ġst Troubleshooting that can solve the issue:Ĭheck OWA if the issue not present so try to recreate the Outlook profile. Let’s look at an issue with Outlook user facing Duplicate Folders in Outlook.

Delete duplicates in outlook folder