Know How to Merge Multiple Outlook OST Files?

Merge Two or More OST Files

Select the radio button corresponding to the "Merge" text as follows:

After that hit the Next Button.

Once you have added the OST files. Now you can select the the folder that you want to merge together.

Under Options, select "Merge in New PST" to create a new PST file on your system.

Click on "Change" button and browse for folder to save the merged PST file.

Next, You can select "Merge in Existing PST" option to combine Outlook OST files with an existing PST file.

Click on "Browse" button and select the existing PST file in which you want to merge the selected OST files or folder. Then Click the Open button.

Choose the "Merge in Outlook Profile" option to merge directly with existing Outlook profile.

Now, you can check the "Merge in Single Folder" checkbox to merge all the OST files data in single Folder.

Click the Next Button to proceed.

In the Filter section, Select Items Types: Mail, Calendar, Tasks, Contacts, Journal, Notes that you want to merge.

Now, you can "Specify Date Ranage" according to the needs. Click on Add button and select the Date.

Select the "Start Date" and "End Date" to merge PST files with a specific date. Then click on the Add button.

In the Advance Option Section, you can check the "Split PST File Size" option to split large sized PST files in MB or GB according to your requirements.

Next, check the "Exclude Deleted Items" and "Exclude Junk Folder" option as per your needs.

The software also provides advance option of "Skip Duplicate Items".

Select the Skip Duplicate Items checkbox and then select Specify Criteria. Now select the required items from Mail, Contacts, Calendar, Notes, Task, and Journals to remove duplicates.

Remove Duplicate Outlook Emails. Select the Mail Fields: Subject, Mail Body, To, From, Cc, Bcc, Attachment, Sender Name, Internet Message ID, Sent Date

Remove Duplicate Outlook Contacts. Select the Contacts Fields: Full Name, Email Address, Mobile Number, Job Title, Categories, Company, Birthday

Remove Duplicate Calendar. Select the Calendar Fields: Subject, Start Date, End Date, Attachment, Categories, To, Cc, Bcc, From, Location

Select Task Fields: Subject, Start Date, Body, Due Date, Categories, Companies, Status, Attachment

Select Notes Fields: Body, Categories, Creation Date, Size

Select Journals Fields: Subject, Start, Attachment, Body, Categories, Entry Type, Company

After, click on Save button to save all settings.

In the end, click on the Next button to start the merging Outlook .pst files into single one process. As soon as the process begins, the detailed progress of the process is visible in the Merge Pane with details such as PST File Name, Duplicate Items, Item Count, current Status, and destination path. The merge operation overall status is shown in the progress bar located at the bottom.

After the process is completed a prompt is shown displaying "The OST Files have been merged Successfully" message. Click OK to proceed further.

Here you can see the Overall process Status, OST File Name, Duplicate Items, Item Count and Destination Path.

The software creates a Report folder which contain the Export Report and Fail Report. Below you can see the Export Report:

The tool also creates a Fail Report Folder which contains all the items that failed to merge.

You can view the output from the selected destination as shown below:

Now you can view the Merged PST file data in Outlook.

Join Two or More OST Files

You can also choose "Join" option to join multiple OST files by creating a new folder for joined OST files.

After that hit the Next Button.

Next, select the folder from the preview pane that you want to join.

Under Options, Select the "Join in New PST File" to join multiple OST files into a new PST file.

Then, Click on the Change option and select the path on your system to save joined OST files.

You can choose the "Join in Existing PST" option if you want to join OST files with an existing PST file.

Click on "Browse" button and select the existing PST file in which you want to join the selected OST files. Then Click Open.

You can also choose the option "Join in Outlook Profile" to join multiple OST files into existing Outlook Profile.

You can also check the "Join In Single Folder" to join multiple OST files into one single Folder.

In the Filter section, Select Items Types: Mail, Calendar, Tasks, Contacts, Journal, Notes that you want to join.

Now, you can "Specify Date Range" according to the needs. Click on Add button and select the Date.

Select the "Start Date" and "End Date" to join OST files of a specific date. After that click on the Add button.

In the Advance Option, you can check the "Split PST File Size" option to divide large OST files in MB or GB as per your requirements.

Check the "Exclude Deleted Items" and "Exclude Junk Folder" to exclude to deleted items and junk folder.

After making the desired options then hit the NEXT Button below.

After completion of the process, a dialog box appears confirming Successful Join Operation. Click OK to proceed.

Here you can see the Overall process Status, OST File Name, Duplicate Items, Item Count and Destination Path.

The software generates a report of overall joined items in CSV file.

The Report folder contains Export Report and Fail Report. Below you can see the Export Report:

The tool also creates a Fail Report Folder that contains items that failed to joined.

You can view the output from the selected destination as shown below:

Now you can view the Merged PST file data in Outlook.