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How to merge multiples files of PST in a single file?

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  • 9 months later...

If you need to merge multiple Outlook PST files to form a larger file that can be used with the latest Outlook versions, you can use the below mentioned manual steps:

Step 1: Create a new blank PST

To create a new blank PST, follow these steps:

1.    In the Outlook window, click on New Items -> More Items -> Outlook Data File

2.    Select a location to save the new blank PST and provide a name for it

3.    Click on OK


Step 2: Merge all existing PST files into the newly created blank PST

To merge PST files into the new file created above, follow these steps:

In the Outlook window, click on File -> Open -> Import

1.    This will open the Import-Export Wizard. Select Import from another

2.    program or file

4.    Click on Next

5.    Select file type Outlook Data File (.pst) to import from

6.    Click on Next

7.    Click on Browse to locate the file to be imported

8.    Check the Do not import duplicates box

9.    Click on Next

10. Select which folder you wish to import

11. Check the Include subfolders and Import items into the same folder in boxes

12. Click on Finish.


These steps will import the PST file to the folder you specified in step 8. To import other PSTs, repeat the same steps for each one. Once all files have been imported, their data can be combined into a single PST even in your Office 365 Enterprise E5 plans. The resultant larger PST can then be exported to any machine to access all mailbox data.






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  • 2 weeks later...

You can try ToolsGround Merge Outlook PST software to easily merge multiple PST files into one. This tool allows you to combine all Outlook data files with emails, calendars, notes, contacts and much more. It comes with simple GUI so that non-technical users can easily perform the task. The tool supports all PST file of Outlook 2016, 2016, 2013, 2010, 2007 and other versions. 

More Info;- https://www.toolsground.com/merge-outlook-pst/

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  • 2 weeks later...

How to merge multiples files of PST in a single file

You can combine multiple Outlook PST files within Outlook. Combining PST files within Outlook is a quick task that works with all versions of Outlook from 2007 up to the current time.


It is a two-stage process. First, you create a brand-new blank PST file. Then import your existing PST files. Here’s how it works.


Select your Home tab, then New Items > More Items > Outlook Data Files.


Give your blank data file a name and save it. Now, head to File > Open & Export > Import > Import from another program or file.


On the next screen, select Outlook Data File (.pst). Browse to the PST file you want to import. You now have the option to replace duplicate files, allow the creation of duplicates, or to refuse the import of duplicate files.


Your choice here depends on the PST files you are importing. In this example, choose Do not import duplicates. (Please remember that you need the password for each PST file you are importing.) outlook import data file pst merge Once the import completes, you can start the process again to import as many PST files as you want into a single new PST file.


Hope this helps you!



Ron Peters | Office 365 Migration Expert







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  • 1 month later...

The Merge PST files are the great solution for your problem. You can merge your entire files of PST with the help of this tool. This software is easy to operate and very safe for merging small and big files. The Merge tool can never be lost your data and never compromise with the originality of the data. Visit here: http://www.merge.pstfile.org/

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  • 1 month later...

Merging is the great technique to combine multiple numbers of PST file into single PST file. Merging of PST file can be done by using Advanced Merge Outlook PST File, that is simple and reliable software that can merge multiple PST file into single PST file without modifying original PST. This software support Unicode PST and ANSI PST files and also removes the duplicity of mailbox items.

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