Convert PST to EML

This tool converts emails from Outlook PST data files to EML format. It preserves internet transport headers, attachments, and the original folder structure of PST data file. It can also convert corrupted, orphaned, archive, password-protected, and encrypted Outlook Data Files (.pst and .ost).

Converting PST to EML allows you to store and back up your emails in a convenient format and easily transfer messages between different email clients and systems.

How to convert PST to EML?

If you're looking for a quick and easy way to convert your entire Outlook data files to EML format, PST to EML Converter offers a simple one-click solution. However, If you need to convert Outlook Data Files (.pst and .ost) to EML using PowerShell or export selected items or search results to EML files, try OST PST Viewer.

Method 1: Using PST to EML Converter

1. Close Microsoft Outlook and any other mail-enabled applications that use your Outlook mailbox.
2. Download and run PST to EML Converter.
   Download
3. Browse for the PST file or folder with PST files you want to convert, then click Open.
4. Choose the target path for converted messages in EML format.
   
5. Set up the export parameters, then click Run
6. Wait for the export to complete.
   
7. Once finished, review the summary and log information for any issues or errors.

Method 2: Using OST PST Viewer

To open and export selected items or search results from Outlook Data Files (.pst and .ost) to EML files, follow these steps:

1. Close Microsoft Outlook and all other mail-enabled applications that may use your Outlook mailbox.
2. Download and run PST Walker on your computer.
   Download
3. Browse for the Outlook data file you want to convert and click Open.
4. Preview all of your items, including email messages, calendar, contact, and task data.
   
5. Search for or select specific items and go to File > Export.
6. Choose EML as the file format and select Selected items only.
   
7. Select the destination folder and click Ok.
8. Wait for the export process to finish, then click Ok.

Custom options when saving PST to EML

The utility provides predefined file naming options for exported EML files:

• Incremental Numeric ID
• Item Subject
• PR_ENTRYID field

There are three options for which items to save:

• Selected items
• All Items in this folder
• All items in this folder and subfolders

When you select the subfolder processing mode, the utility creates the original Outlook folder structure on your local disk or network share. These folders contain emails converted to EML format.

Online services to convert PST to EML

Our utility, on the other hand, strictly works on your computer. The information from the PST data file is not uploaded or transferred to any external server. All data processing and conversion take place locally on your computer, providing you complete control and confidentiality over your data.

Are there any limits when converting from PST to EML?

There is no limit on the number and size of the converted PST files and the resulting EML files. You can convert unlimited folders or files as often as you like.

Since EML is a format for storing only email messages, Outlook contacts, calendar and tasks can be exported to .eml as emails.

When converting, the utility saves all available data, such as:

• message subject
• send and receive dates
• sender and recipient addresses
• message text with HTML and RTF markup
• attachments and images
• Internet headers

Bulk PST to EML conversion

The OST PST Viewer can bulk convert PST to EML in batch scripts using PowerShell, Task Scheduler and other automation tools. To do this, use the command line options of the product.

pstwalker-cli.exe 
   [filename] 
   [-E:<FileFormatParameter>] 
   [-Name:<NamingStyleParameter>] 
   [-SearchQuery:<String>] 
   [-ExportPath:<DestinationPathParameter>] 
   [-FullScan] 
   [-HardDeleted | -HardDeletedOnly]
   [-Log]

Example

cd "C:\Program Files (x86)\PST Walker\"
$PSTFiles = @("c:\a.pst", "c:\b.pst")
foreach ($PST in $PSTFiles){
   .\pstwalker-cli.exe "$PST" --% -E:eml -SearchQuery:'from:(=bobbymoore@contoso.com OR "bobby moore")'-ExportPath:"D:\PST-Exports\"
}

This example searches c:\a.pst and c:\b.pst mailboxes for items in which the e-mail address equals bobbymoore@contoso.com OR sender name contains bobby moore. The search results are exported as .eml files to D:\PST-Exports\.

When running native commands from PowerShell, the arguments are first parsed by PowerShell. Beginning in PowerShell 3.0, you can use the stop-parsing (--%) token to stop PowerShell from interpreting input as PowerShell commands or expressions.

Updated on May 04, 2023

See Also