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Microsoft Outlook is the most preferred email client among professionals due to its numerous advantages. Outlook saves data into two file formats namely OST and PST. The OST file saves the copy of Outlook data in an Offline mode. OST files enable accessing Outlook data in Offline mode. However, the file is easily prone to corruption, to protect essential data many users search for methods to save Outlook data in PDF format.

So How to convert OST emails to PDF format? We will find solutions to this query in this blog. So, follow this blog until the end. We share the two most effective solutions for performing the conversion process efficiently. Before we talk about the solutions, let’s look at some of the benefits of converting OST file data to PDF format.

Why Convert OST to PDF File Format?

Many users want to convert OST emails to PDF format to access the data without internet connectivity. Here are a few other reasons why users prefer PDF file format.

  • Data saved in a PDF format is easy to read.
  • It does not require third-party software to access the data. 
  • PDF files are compact in size and easy to share.
  • It enables encrypting necessary data to protect it from unauthorized access.
  • PDF files can easily be accessed from any device.
  • PDF files are commonly used for legal documentation.

After going over the reasons, let’s move forward to the solution part to save OST files as PDFs.

Manual Method to Convert OST to PDF Format

Follow the below steps carefully to backup OST files data in PDF format easily.

  • Open Outlook on your device and select the desired message to save as a PDF.
  • Now, navigate to the File menu and opt for the Save As option.
  • After the saving window pop-up, choose Save As Type from the drop-down menu and select .html.
  • Close the Outlook application and go to the location where you saved the .html file.
  • Right-click on the .html file and choose Open with Word. 
  • The Word application opens, then click on File and then on the Save As option.
  • Go to the Save As Type drop-down again and select the PDF(.pdf) option.
  • Opt for the desired location to save the file and tap on Save.

Using this method, users can easily convert OST to PDF format. However, this method comes with certain limitations that do not make it the recommended solution. There are high chances of data loss while performing this approach.

Drawbacks of the Manual Method

Here are the most common drawbacks experienced by users in performing the manual approach to export ost files to pdf format.

  • This method does not save attachments in PDF format.
  • Saving multiple OST files as PDFs can be a tedious process.
  • Data Mismanagement can take place. 

To avoid these limitations, users look for an instant solution to convert OST to PDF format. 

How do I convert an OST file to PDF in Batch? – Expert Solution

Many experts prefer using the professional OST to PST Converter Tool to securely and efficiently export OST files to PDF format. It can easily convert multiple OST files to PDF format with attachments in just a few clicks. This method also helps to convert OST to PST, MSG, EML, EMLX, and other file formats with 100% accuracy. This method preserves data structure during the entire conversion process. It also enables users the conversion of selected emails as per the user’s requirements.

Salient Features of the OST to PST Converter Tool

  • This tool supports migrating OST files to Gmail, Office365, Thunderbird, AOL, etc. 
  • It skips the duplicate emails from the migration process. 
  • This tool also allows users to migrate data of a selective date range using the Mail Filter feature.
  • Maintains data structure throughout the conversion process.

Steps to Save OST Files as PDF Format

  • Launch the OST to PST Converter Tool on your system.
  • Choose the Select Files/Folders option and add the desired OST files. 
  • Tick the required mailbox data from the displayed tree structure. Click Next
  • Select PDF as the saving file format from the Save As menu.
  • At last, click on the Convert button to start the conversion process.


In this article, we have shared different methods to convert OST to PDF format. We have also shared the benefits of PDF files. The manual approach to performing the conversion process can be a lengthy and time-consuming process. Therefore, users prefer going with the automated solution to get results with 100% accuracy in less time.

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