How to Convert OST Files to PDF in Simple Steps (2026 Guide)

Brief About the OST File

An OST (Offline Storage Table) file is used to store a copy of your mailbox data on your device. Also, it lets you access emails, contacts, and calendars when you are offline. However, OST files are tied to a specific Outlook profile, which makes them difficult to open. This is the reason most of the users prefer to convert OST files to PDF format.

Why do users convert OST to PDF?

• OST files store your Outlook data locally, but PDF makes it easy to share with anyone.
• You can convert individual emails to PDF directly from the Outlook print menu.
• Moreover, converted PDF keeps your email content intact, along with subject & date.
• Lawyers and compliance teams often request emails in PDF because it’s a password-protected format.
• Always preview a few converted files before closing out your original OST for good.
• The whole process takes under an hour, even if you’re dealing with a large mailbox.

Best Solutions to Convert OST Files to PDF

This guide walks you through the most effective solution that will smoothly export your data.

1. Manual Method (Outlook)
2. Professional Software

Method 01: Manual Method (Outlook) to Convert OST Emails to PDF

Use active Microsoft Outlook to perform the conversion process.

1. To initiate the process, you need to launch Microsoft Outlook.
2. After that, go to your mailbox and open the specific email that you want to convert.
3. Now, click on the File tab in the top menu >> select Print from the sidebar.
4. Next, in the Printer section, select Microsoft Print to PDF as the output option.
5. Thereafter, you can change the settings of a specific email style if needed.
6. Afterward, click on the Print button. Outlook will prompt you to save the file.
7. In the end, choose the destination folder, enter a file name, and click Save.

Drawback of the Manual Method

• With this method, you can convert only one email at a time.
• This method works only if you have a valid Outlook account.
• Moreover, you need to repeat the same process for multiple files.
• Fewer filter options are available for custom conversion.

Method 02: Professional Software to Convert OST Files to PDF

With the help of the OST to PST Converter Tool, user can easily convert their data in bulk. This software is made to maintain the folder structure and hierarchy. It offers multiple file formats to convert OST to EML, PST, EMLX, and other output formats. Also, it offers various advanced filters that help users to convert specific data and save a lot of time. In addition, this software works with corrupted or orphaned OST files.

Process to Export OST File to PDF

1. To initiate, download and run the OST to PST Converter Tool on your computer.
   
   


2. Now, select a file/folder and navigate to the .ost file on your system, and click open.
   
   


3. Next, preview the folders along with complete attachments and click Next.
   
   


4. After that, select PDF as the output file format from the given options.
   
   


5. Thereafter, apply the filters for specific data conversion as needed.
   
   
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6. In the end, select the path to save the resultant file & click Convert to start the process.
   
   

Also Read: If you want to export OST files into email clients, then read our detailed guide on import OST to Office 365.

Tips to Save Outlook OST Files to PDF

• It is important to always keep a backup of your OST file.
• Make sure your system has enough storage space before conversion.
• Moreover, you must use filters to avoid unnecessary data export.
• Additionally, keep in mind to avoid interrupting the process midway.

Conclusion

In the end, converting OST files into PDF makes it much easier to view, store, and pass along your Outlook emails. If you only have a few messages, the manual method will work well to convert OST Files to PDF. But when you’re dealing with larger data or need more flexibility, the advanced software can save a lot of time and effort.

Frequently Asked Questions

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