“How to convert OLM and EML files to a PDF format online for free? Is there any way to convert a PST/OST to PDF online?”
These days, I encounter a lot of people having these queries who would like to convert different file types into PDF documents. For instance, you might wish to convert OLM, PST, OST, EML, or any other format to a PDF file as well. While most of these file conversions are possible with free online converters, a few of them would need dedicated tools. Here, I will let you know how to convert OLM, PST, OST, and other file formats to a PDF for free.

In this article
Part 1: How to Convert PST to PDF: Free and Online
You might already know that PST is a proprietary file format that is owned by Microsoft. The format is used to store, manage, and transfer MS Outlook data. It would include details about your emails, contacts, attachments, and so on that are exported from MS Outlook.
Though, you can convert PST/OST to PDF with a reliable online tool like PDFen. It is an online PST to PDF converter free solution that can export your files to PDF and PDF/A formats. With its free version, you can convert a PST to PDF online and can get its premium version to access batch processing features.
Step 1: Load the PST File to Convert
At first, you can just visit the official website of PDFen PST to PDF Converter on any browser of your choice. You can now click on the “Upload” button to locate and load any PST file from your system.

Step 2: Convert the PST File to a PDF Online
Once the PST file is loaded, you can simply check its details on the application. From the side, you can choose to compress it or enable the PDF/A conversion.

Simply click on the “Convert” button and wait for a while as PDFen would convert the PST file to a PDF and will let you know the progress as well.

Step 3: Download the Converted PDF File from PDFen
As the PST to PDF converter free tool would complete its processing, it will notify you. Lastly, you can click on the “Download” button to save the converted PDF document on your system.

Part 2: Convert OST to PDF with a Free and Online Solution
Just like PST, OST is another Microsoft-owned file format that is related to Outlook. It stands for Offline Storage Table and is mostly used to store our Outlook email data on our system offline.
If you want to convert an OST file to a PDF, then you can try the free online tool that is offered by Aspose. The OST to PDF converter free will let you convert one file at a time to meet your basic requirements (and you can get its premium version for batch processing). You can follow these simple steps to convert OST to PDF online with Aspose.
Step 1: Load the OST File to Convert
You can start by visiting the Aspose online OST to PDF converter free tool on any browser. Here, you can drag and drop your OST files or can click on the Add button to browse them.

Step 2: Let Aspose Convert your OST file to a PDF
After loading your OST file, you can check its details, and select “PDF” as the target format from the dropdown option.

Now, you can just click on the “Convert” button and simply wait for a couple of seconds as it would convert an OST file to a PDF.

Step 3: Download the PDF File from Aspose
Lastly, the OST to PDF converter free tool will let you know after completing the process. You can just click on the “Download” button to save the converted PDF to your system from Aspose.

Part 3: How to Convert an OLM File to a PDF?
While OST and PST are the respective file formats for Outlook on Windows, OLM is the Outlook file format for Mac systems. Therefore, if you are using Outlook on a Mac, then you could have exported your data in the form of an OLM file.
As of now, there aren’t many online tools to convert OLM to PDF, but you can meet your requirements with desktop software. For instance, one of these solutions is BitRecover that can convert an OLM file to PDF by following a simple clickthrough process.
Step 1: Load the OLM files to Convert
You can simply install the BitRecover OLM to PDF converter on your system and start its wizard after activating your subscription. To convert OLM to PDF, you can select a file or an entire folder from your system.

Step 2: Select the Data to be Converter and the Target Format
Once the OLM file is loaded on the application, you can simply select the type of data that has to be converted.

Subsequently, you can also select a target format (like PDF) in which you want to convert your OLM files. You can also select a target location where the converted PDF files would be saved by BitRecover.

Step 3: Successfully Convert the OLM File to PDF
You can now just click on the “Convert” button and wait as the application would convert OLM to PDF. Lastly, the PDF file would be saved on the designated location on your computer.

Part 4: How to Save EML as PDF Online for Free?
EML (Electronic Mail Format) is another popular file format that is created by Outlook Express. Ideally, you can export any email from Outlook Express into an EML format. Though, to save EML as a PDF you can use any reliable online application like ZamZar.
ZamZar has come up with a couple of free online converter tools, including a dedicated solution to save EML as PDF. To learn how to save EML as PDF, you can access the online solution by ZamZar and follow these instructions.
Step 1: Load the EML file to Convert on ZamZar
You can simply visit the online ZamZar EML to PDF converter on any browser and can click on the “Add Files” button to load the EML file to convert.

Step 2: Select a Target Format and Convert your EML File
After loading your EML file, you can simply click on the “Convert to” dropdown option and select “PDF” as the target format.

Now, you can simply click on the “Convert Now” button and wait for a while as ZamZar would save EML as a PDF file.

Step 3: Save the Converted PDF Document
Once the EML file has been converted to a PDF document, ZamZar will notify you. Just click on the “Download” button to save EML as a PDF on your system.

Part 5: Convert any BAK File to a PDF Online
BAK is another popular format that is used to store the backup of our data from different applications. Though, the format is also associated with Microsoft Outlook and SQL. The good thing is that with a reliable tool, you can easily convert a BAK file to a PDF format.
For this, you can try the Soda PDF Converter tool that can be used to create a PDF document by getting input from different sources.
Step 1: Upload the BAK file to convert
You can start by visiting the website of Soda PDF Converter and simply click on the “Upload” button to load a BAK file from your system.

Step 2: Wait as the BAK file would be converted to a PDF
Once the BAK file is uploaded by Soda PDF, you can simply wait for a while as the application would convert it to a supported PDF format.

Step 3: Download the PDF on your System
After converting the BAK file to a PDF format, Soda PDF will notify you and would let you save it offline on your system.

Part 6: Convert an MDF File to a PDF with an Online Solution
Lastly, let’s have a look at how to convert an MDF file to a PDF format. If you are using Microsoft SQL, then you might be familiar with the MDF format. It is mostly used to maintain a backup of our data from a SQL server.
While there are not plenty of MDF to PDF converter tools, you can try an online solution by Sendeyo. The online application is available for free and would let you directly convert an MDF file to a supported PDF format in the following way.
Step 1: Load the MDF File to be Converter
Just head to the official website of Sendeyo MDF to PDF Converter and click on the “Choose File” button so that you can manually upload the MDF file from your computer.

Step 2: Start the MDF to PDF Conversion
Once the MDF file is loaded, you can check its details on Sendeyo. You can now just click on the “Start” button to convert the MDF file to a PDF format.

Step 3: Save the Converted PDF Document
After waiting for a while, the application will complete the MDF to PDF conversion. You can just click on the Download button to save the converted document on your system.

Conclusion
As you can see, there can be so many solutions to convert OLM, EML, PST, OST, and other file formats to a PDF document. In this same way, you can also learn how to save EML as PDF or any other file format as a PDF file. Since PDF is a universally accepted format, it would be an ideal solution to convert your OLM or PST files to it for hassle-free processing and sharing. Go ahead and try these solutions to convert all kinds of files to PDF documents like a pro.