“Since last 1 month, I was looking for a suitable solution to convert OST to PDF. The programs that I tested were not satisfying my basic requirements. After lots of research, I came across this fantastic OST to PDF converter. It holds unlimited features for forensics purpose and makes it possible to complete tech operations with ease."
Fast and Reliable
4n6 OST to PDF Converter
(Average Rating 4.9 Based on 780 Reviews)
Best software to convert Exchange Server OST files to PDF with all email messages and calendar entries
- Convert multiple Outlook OST files to PDF in a single process to save time and effort
- Save all attachments in a separate folder while converting OST file to a PDF file
- Convert OST file to PDF with all email messages, attachments, tasks, contacts, calendar, etc.
- Export OST email to PDF from a particular date and time frame and headers like To, Cc, etc.
- OST to PDF file converter offers to show page numbers in the converted PDF files from OST
- Allows to include the email headers of all Exchange server OST files while converting to PDF
- Easily convert an orphaned OST file to PDF without the need of Outlook or Exchange server
- 100% secure and maintains data integrity while converting Outlook OST file to an Adobe file
- OST email to PDF converter supports both 32-bit and 64-bit Windows operating systems
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Free Demo Version Limitation: OST to PDF Converter free demo edition allow users to convert first 10 data items from each folders.

OST to PDF Converter Offers Extract Option
4n6 OST to PDF Converter has a lot of advanced and amazing features. This utility is the best because of its features. It comes up with separate Extract option. So, one can easily extract different properties from their OST files including:
- Email Addresses
- Email Attachments
- Phone Numbers
- Associated Email and Phone Numbers
- Contact Photos
Explanatory Features
OST to PDF Converter - Main Features
Batch Convert OST to PDF Files
OST to PST file exporter enables migration of OST messages in bulk, to portable document file format. The software creates PDF of each email, present in chosen .ost file. For example – It will create 65 individual PDFs for a mailbox of OST file, which has 65 messages in it.
Selectively Import OST File to PDF
Since an OST file comprises of email folders, contacts, calendars, etc., therefore, developers had coded the application in a way that it print all items of the file in PDF format. Also, customers are free to uncheck the checkbox of those items, whose data they don’t wish to save in PDF file.
Check OST File Mailboxes
Once investigators load the Outlook OST file, the tool attempts a quick scanning operation over the browsed file. It generates a preview of all mailboxes that are available in OST file. Officials can click on each folder to view OST file contents before the conversion procedure.
Choose Output Location to Save PDF Files
It is the most advance OST to PDF Converter software available for Windows users. The app successfully converts unlimited Outlook OST files to PDF without facing any type of hassles. Along with this, the app allows users to choose the location where they need to save the resultant output. So, download the app now and starts exporting your OST files even without any supportive application.
Accurately Convert OST Files into PDF
The program enables officials to convert OST to PDF in the absence of Exchange server connectivity. It becomes possible for investigators to deeply analyze evidences from OST file and save them in PDF. Tool maintains the original hierarchy even after the data items conversion from OST to PDF.
Convert All Kinds of OST to PDF Files
With the help of OST to PDF file exporter, people can export OST file of IMAP/Exchange server/Office 365. This ultimate solution to convert OST to PDF eliminates all the challenges that an investigator faces at the time of opening and printing OST file content without Outlook.
Option to Save Attachments in Folder
OST to PDF Converter is embedded with some extra features to change default setting of the export procedure. It renders an option named as ‘Save attachments in folder’ to automatically archive attachments of OST emails in a separate folder. The file format of an attachment will be kept intact.
Easy-to-Use Graphical User Interface
Outlook OST to PDF file exporter holds an easy-to-understand interface. There will be no complications faced by customers while using this solution to export emails from OST file to PDF. People don’t have to take any technical training or hire an expert to access this utility.
Software Specification
OST File to PDF Converter - System Requirements
Trial Limitations
Limitations
The freeware allows you to only convert first 10 OST files into PDF format. So, use this freeware to test the working and features.
System Specifications
Hard Disk Space
100 MB of free hard disk space
RAM
1 GB RAM (2 GB is Recommended)
Processor
Processor with a speed of 1 GHz (2.4 GHz is recommended)
Supported Editions
- Microsoft Windows – Windows OS 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008
Electronic Delivery
The product delivery is automatic. You will receive an email with the link to download the product and the activation key within a few minutes after the payment has been confirmed.
Software Screenshots
OST Email to PDF Converter - Screenshots





Software Video
How to Convert OST File to PDF? - Working Video
User Reviews & Industry Recognition
4n6 OST to PDF Converter - Awards & Reviews
4n6 OST to PDF conversion software is the best software available online. It is time-efficient and reliable. It deserves a high appreciation.
4n6 Exchange OST to PDF Converter is a must-have software for those who need to export OST files to PDF. The software is advanced and has multiple advanced features.
Frequently Asked Questions
Outlook OST to Adobe Converter - FAQs
Implement the following steps to effortlessly export OST emails to PDF file :
- Step-1: Launch OST to PDF Converter on your system.
- Step-2: Click on Open and select ‘Choose from a Folder’.
- Step-3: Add orphaned OST files into the software panel.
- Step-4: Click on Export >> PDF.
- Step-5: Specify destination path and click Save.
Yes, you can export emails from OST file to PDF with or without attachments in the absence of Outlook mail client. No matter whether the Exchange server is present or not, the software works independently without any error.
There are two options rendered to browse OST file – Choose From a Folder and Select Configured Outlook Account. The first option is to browse orphaned OST file. And the second option is rendered to retrieve folders of OST directly from Microsoft Outlook profile.
No, the program has been designed in a way that it converts emails in bulk from large / small / medium size OST file. You don’t have to take any stress while using this OST to PDF Converter.
There will be no changes made in attachments of emails. The file format and other properties of each attachment will be same as it was before export procedure.
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