Know How to Merge Multiple Outlook OST Files?

Steps to Merge Outlook OST Files using the software for combining OST Data. The tool allows to join OST files by creating new folder for merged OST files as well merge similar folder in PST file.

STEP 1

Launch SysTools OST Merge software from the installed location or Go to Start Menu » All Programs » SysTools OST Merge to begin the OST merge procedure

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STEP 2

Click "Add Files" to manually add OST files one by one or "Add Folder" to add the complete folder containing the files to be merged. The software scans and display them in the adjacent pane with File Names and their source path.

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Select Required files or All Files as per needs.

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STEP 3

User can simple use Search Files option to search for a specific OST files.

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STEP 4

The software provides two options for merging Outlook .pst files into single one such as Merge / Join. Choose the option as per your convenience.

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STEP 5

Merge Two or More OST Files

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

After that hit the Next Button.

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STEP 6

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

Extraction Completion Message

STEP 7

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

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

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STEP 8

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

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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.

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STEP 9

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

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Note: If you want to merge OST files into Existing PST or Outlook Profile, then Outlook should be installed and configured properly. Make sure that the OST files should not corrupt and not in use by any application when you merge them into one.

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

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Click the Next Button to proceed.

STEP 10

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

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STEP 11

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

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

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STEP 12

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.

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Note: For the Split PST file, It is allowed to split the PST files into a Minimum of 100 MB and Maximum size of 200 GB inorder to avoid the chances of file corruption in case of Large PST files.
STEP 13

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.

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STEP 14

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

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

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

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

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

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

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After, click on Save button to save all settings.
STEP 15

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.

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STEP 16

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

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STEP 17

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

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

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

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STEP 18

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

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STEP 19

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

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STEP 5

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.

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STEP 6

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

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STEP 7

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

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

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STEP 8

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

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

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STEP 9

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

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Note: If you want to join PST files into Existing PST or Outlook Profile, then Outlook should be installed and configured properly. Make sure that the PST files should not corrupt and not in use by any application when you join them.

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

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STEP 10

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

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STEP 11

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

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

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STEP 12

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.

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Note: For the Split PST file, It is allowed to split the PST files into a Minimum of 100 MB and Maximum size of 200 GB inorder to avoid the chances of file corruption in case of Large PST files.

STEP 13

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

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STEP 14

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

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STEP 15

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

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STEP 16

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:

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

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STEP 17

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

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STEP 18

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

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