Corbett

OST to PDF Converter

Corbett OST to PDF Converter prints Outlook OST emails to PDF files for archiving, printing and legal review. Bulk jobs keep folder hierarchy and data integrity, filters narrow the batch, and attachments stay with the mail. Output goes to a local drive, an email service or an IMAP server. The free demo is the place to start.

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4.6 out of 5 from 386 reviews

Conversion happens locally. The OST file never goes to Corbett.

Free demo, scanned clean on VirusTotal and a 30-day money-back window.

Lifetime licence from $99 Demo converts 10 items

PDF facts

OST to PDF Converter for Offline Outlook Mail

PDF opens on every phone, laptop and printer, which an OST file never does. OST to PDF Converter turns offline Outlook mail into files that anyone can read, print and file away without Outlook.

Held in the PDF

Email bodies
Attachments
Sender and receiver
Subject lines
Dates and times
Folder hierarchy
Cc and Bcc fields

OST file types

Offline OST files
Orphaned OST files
Single OST files
Unlimited OST files
Chosen folders
Date ranges
Emails, contacts and attachments

Further outputs

PDF (main output)
HTML
CSV
Text
vCard
PST, EML and MBOX
Gmail and Yahoo
IMAP servers

Skipped in PDF

Calendars
Tasks
Notes
Journals

Why Offline Mail Goes to PDF

Courts, auditors and clients ask for mail they can open without Outlook. A PDF holds the message exactly as it was and keeps a safe copy on a local disk if the mailbox is lost.

Convert PST to PDF

Core features

Four Stages for OST to PDF

Install, choose OST files, preview the mail and click Export for PDF.

Install

Set Up the Software

Start the installer on Windows, finish the setup and open the software. It then asks for the OST files.

Free demo available
Windows 10 and lower
Light on resources
No other program needed

OST folder tree with selection checkboxes

Folder selection

Choose the OST Files

Select one OST file or several. The software opens them and lists every folder before any PDF is made.

Items listed by folder
Hierarchy shown
Preview before export
Folder selection

Message preview

Preview the Mail

A full preview of every email lets admins check the content before the PDF export begins.

Content shows the email body
Message Header lists From, To and Subject
Properties reports item attributes
Hex View and Raw Message show stored values and code

Selective backup

Filter Mail Before the PDF Run

Filter by name, subject, date, From, To, Cc, content, attachment status or file size, so the PDF set holds only the mail required.

Date filter
Subject filter
From and To filter
Content filter
Attachment filter
File size filter

Output options

Choose PDF and Run the Export

Select PDF as the target and click Export. The PDF files land in the chosen local folder, or the data goes to Gmail, Yahoo or an IMAP server.

PDFs placed to a local folder
Mail sent to Gmail, Yahoo or IMAP
Need PST files? See the OST to PST Converter
Want MBOX files? Try the OST to MBOX Converter for that job

Before converting

Checks Before OST to PDF

Three small checks keep the PDF set tidy.

Source file

Back up the OST

Make a copy of the OST file before the run so the original stays untouched while the PDF files are created.

Item scope

All mail or chosen mail

Create PDFs for the full mailbox, or apply date and field filters so a single case folder is all that converts.

Output folder

Plan the file count

A large mailbox produces many PDF files, so aim the output at a disk that has space.

Single emails saved from Outlook itself are covered in Save Outlook email as PDF and View hidden attachments in Outlook.

Free demo

Try the PDF Export Free

Demo mode takes 10 messages or folders. Check a few sample PDFs before buying.

Download free demo

Before purchase

Printing by Hand or OST to PDF Converter

Outlook can print one open email to PDF, but a locked OST file or a large batch leaves that route stuck. The table lines up both paths.

Task	Manual printing	Tool
Cost	Free	$99 one time
Single email	Print to PDF in Outlook	Works too
Orphaned OST	Cannot be opened	Loads and converts
Bulk jobs	One email at a time	Many OST files in one run
Folder hierarchy	Lost in prints	Kept in the output
Attachments	Opened separately	Stay with the mail
Filters	Basic search only	Date, To, From, Subject, Content
Other formats	Not offered	HTML, CSV, PST, EML, MBOX

Single prints are the one manual win.

Attachments alone can be saved with Extract attachments from OST files .

Specifications

OST to PDF Converter Requirements

Download details

Version: 3.0
Download size: 47.6 MB
Demo limit: 10 items
Delivery: Electronic: installer link and activation key via email
Licence: Personal: 2 PCs. Business: 10 PCs. Enterprise: unlimited PCs.

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System

Hard disk: 100 MB of space
RAM: At least 512 MB, 1 GB advised
Processor: 1 GHz, with 2.4 GHz advised
Interface: English
Input: Outlook OST files

Supported editions

Windows 10 in 32-bit or 64-bit and all lower versions, including 8, 7, Vista and XP.

Start with Run as Administrator.

Corbett has built Windows email utilities since 2020. The support team answers setup questions and early problems.

Working process

OST to PDF Converter Working Live

Prefer reading? The Save Outlook email as PDF post covers the single email route in Outlook itself.

Common questions

OST to PDF Converter FAQs

Steps, address extraction and data safety.

How can I convert OST files into PDF format?

Download the software and install it, choose the OST file or files, preview the data, then use the Export button with PDF as the format.

Can I collect email addresses from my mail?

Yes. Select a date range and extract the addresses from the files, or run an address extraction alone.

Will the process harm the converted files?

No. The tool was designed around data integrity, so mail reaches the PDF unharmed.

Can a batch of OST files convert together?

Yes. Unlimited OST files convert to PDF in a single run.

Is a demo available?

Yes. The free demo takes 10 messages or folders.

Do attachments get exported?

Yes. Emails with attachments export with their files kept.

Does the folder structure stay?

Yes. The folder structure and hierarchy of the OST file remain intact.

Which fields can filters use?

Name, subject, date, From, To, Cc, content, property value, attachment status and file size.

Where can the output go?

To a local drive, to Gmail or Yahoo, or to any IMAP supported server.

Which Windows systems work?

Windows 10 in 32-bit and 64-bit and all lower versions, even Vista and XP.

How much RAM is needed?

RAM must be 512 MB or higher with 1 GB advised, and 100 MB of drive space is needed.

What CPU is needed?

A 1 GHz processor, with 2.4 GHz advised.

How many machines can one licence activate?

Personal activates 2 computers, Business activates 10 and Enterprise has no limit.

Is delivery electronic?

Yes. The software is delivered electronically.

Is the purchase refundable?

Yes. Every sale includes a refund guarantee lasting 30 days.

Step by step

Help With PDF Output

Posts on saving, printing and finding mail in PDF.

Saving mail as PDF

Printing and viewing

Import MBOX to iCloud Mail

Items pulled from OST

Hosted account moves use the Email Migration Tool . Server cutovers use the IMAP Migration Tool. Other formats are listed in the email converter tool. Broken archives belong with the email recovery software. A mail viewer is available in the email viewer software. Same family: OST to EML Converter and OST Converter Software. Also see the MBOX to PDF Converter, OLM to PDF Converter, PST File Converter Tool, MSG Converter Tool and Office 365 Backup Tool.

User testimonials

OST to PDF Converter Reviews

Rated by 386 users who exported OST data to PDF with Corbett.

4.6 out of 5

Collected across 386 reviews taken from portals and email, shown unedited.

Perfect for the need

This OST to PDF converter is the perfect app to fulfill my needs so easily. I needed to convert my OST files to PDF format. This applciation did an amazing great jobin that regards.

Brayden Lucas

Problem solved

We had been looking to export my OST files to PDF. Fortunately, we found a software that could solve our problems without any hassles. We love this OST to PDF conversion software.

Harry Jims

Works really well

A friend of mine recommend me this OST to PDF File Converter. I use this tool to save my Outlook offline files and it work really well. I am happy that my friend suggest me this tool and want to thank to the software's tool to develop this amazing software.

Justin

Get started

Create PDFs From Offline Outlook Mail Now

Run the demo on a spare OST copy and open the PDF files. The licence costs $99 once, with refunds possible for 30 days.

Download free demo Purchase now

47.6 MB · Windows 10 and below · 30 days money back