Merge and Join OST Files
OST Merge Software to Combine OST Files
OST Merge joins or merges many OST files into one file. Add the OST files, select join or merge and save a single PST.
- Join, Merge and Merge Contacts
- Unicode and ANSI OST files
- Duplicates removed on request
- Windows desktop edition
- Free DemoTest before you buy
- 30 Day RefundDemo test comes first
- Card or PayPalHosted store checkout
- Fast License KeySent by email
- 24x7 SupportChat and email
1Is this my case?
Which Cases Need OST Merge?
Find your case below. RecoveryTools software joins your OST files and keeps their folder structure.
- Many OST Files Pile UpYou have OST files from several mailboxes and profiles.
- Size Limit HurtsYour old OST file hit the 2 GB limit.
- Contacts Sit ApartContacts from many OST files need one address book.
- Duplicates Pile UpMerged mailboxes carry copies of the same emails.
- Deleted Items ClutterYou want a merged file with no Deleted Items folder.
- Audit Needs a ReportYou must prove what moved into the merged file.
Join or Merge
Choose how the folders combine.
Duplicates Removed
Skip copies and Deleted Items.
Report Saved
Keep a written record.
OST Merge needs Microsoft Outlook installed with a configured profile on the computer.
Free demo mode joins the first 2 folders and merges 15 items per folder.
2What changes?
What Changes After the Recovery?
Before
- Mail spread over many OST files
- Size limits blocking the merge
- Duplicate emails after a manual copy
After
- One file for all your mail
- Duplicates and Deleted Items skipped
- Report saved as PDF or CSV
3What can it do?
Which Features Come With OST Merge?
Add the file, set your clues and recover the password from one window.
Join OST
Combine OST files into one with their folder structure.
Merge OST
Merge matching folders so mail lands in one folder.
Merge Contacts
Combine contacts from many OST files into one.
Duplicates Removed
Drop duplicate items and exclude Deleted Items.
Sender Filter
Skip emails from senders you name.
Unicode and ANSI
Process both OST file types.
Files or Folders
Add single OST files or full folders.
PST Password
Set a password on the new PST file.
Report Saved
Save a report in PDF or CSV and add the file to Outlook.
4Is it easy?
How to Use OST Merge in 4 Steps
Test the software in the free demo. Buy the license when you want the full result.
- 1Download
Install the Demo
Download the installer and install it on your Windows computer.
- 2Add
Add OST Files
Click Add File or Add Folder and choose a mode.
- 3Select
Select Folders
Mark the folders you want in the combined file.
- 4Save
Save the Combined File
Choose a destination and save the new PST.
Screenshots of every step sit in the OST Merge guide.
5What will I see?
Which Screens Does the Software Show?
Follow the path from the first screen to the finished result.
Add Your OST Files
Load OST files and choose a mode.
Select Your Folders
Mark the folders for the combined file.
Save the Combined File
Choose a destination and finish the merge.
6Demo or full?
Free Demo vs Full Version
See where the free demo stops and what a license adds.
| Feature | Free Demo | Full Version |
|---|---|---|
| Join, merge and merge contacts | Yes | Yes |
| Duplicate removal | Yes | Yes |
| PDF or CSV report | Yes | Yes |
| Items per folder | 15 | All items |
| Price | Free | From $39 |
7Will it fit my system?
System Requirements for OST Merge
| Product Version | 7.0 for Windows |
|---|---|
| Download Size | 43.99 MB |
| Product Type | Desktop software that joins and merges OST files |
| Input Files | Unicode and ANSI OST files of any size |
| Output | One combined PST file and a report in PDF or CSV |
| Outlook Versions | Outlook 2021, 2019, 2016, 2013, 2010, 2007 and 2003 |
| Windows | Windows 11, 10, 8.1, 8 and 7 in 32 and 64 bit, plus Windows Server 2008, 2012, 2016 and 2019 |
| Processor | Intel Core 2 Duo E4600 at 2.40 GHz or better |
| RAM and Disk Space | 4 GB RAM with 100 MB of free disk space |
| Pre Requisite | Microsoft .NET Framework 4.5 and Microsoft Outlook with a configured profile |
| Demo Limit | Joins 2 folders and merges 15 items per folder and 15 contacts |
8What is the price?
How Much Does OST Merge Cost?
Choose the license by the number of computers. Prices are in US dollars.
1 Computer
$39
- Home and private use
- 1 year of free updates
- Unlimited 24x7 support
Up to 100 Computers
$99
- One location in one country
- 1 year of free updates
- Unlimited 24x7 support
Up to 500 Computers
$199
- Offices in many places
- 1 year of free updates
- Unlimited 24x7 support
See more savings on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your OST Files?
See Results First
Test the free demo on copies of your OST files and check the result before you pay.
In Business Since 2007
RecoveryTools stands on a company that began in 2007 and now helps users in over 100 countries. Find more about RecoveryTools.
ISO Certified
Standards ISO 9001:2015 for quality and ISO/IEC 27001:2013 for information security back the company. See the awards and certifications page.
Terms in Plain Sight
Refund, privacy and usage terms are public before you pay. See the refund policy, privacy policy and terms of use.
10Need a hand?
Where to Get Help With Your OST Merge
Support engineers answer questions before and after you buy. Visit the RecoveryTools support center for phone numbers and more ways to get help.
Live Chat
Talk to an expert on live chat at any hour.
Email Support
Email support@systoolsgroup.com with your OST file details and the error message.
Remote Session
An expert connects to your computer and solves a hard case for you.
Step by Step Guide
Follow the user guide for the add, select and save screens.
11Still have a question?
Questions About Merging OST Files
Can the software merge OST files?
Yes. Add the OST files, select Join or Merge, mark the folders and save the combined file.
What is the difference between Join and Merge?
Join keeps every OST file as its own folder tree. Merge combines matching folders into one.
Can I merge contacts from many OST files?
Yes. Use the Merge Contacts mode to build one contact list.
Does the software remove duplicate emails?
Yes. Switch on duplicate removal and exclude Deleted Items if you want.
Is there a 2 GB size limit?
No. Your combined file does not hit the old 2 GB limit.
Which OST files can I add?
Unicode and ANSI OST files work.
Can I skip emails from some senders?
Yes. Name the senders and the software skips their emails.
Does the software save a report?
Yes. Save the report in PDF or CSV format.
Do I need Outlook installed?
Yes. Microsoft Outlook must be installed with a configured profile or account.
What does the free demo do?
Free demo mode joins the first 2 folders of every OST file and merges 15 items per folder and 15 contacts.
Is there a Mac edition?
No. Software works on Windows only.
What is the system requirement for the software?
Plan for 100 MB of free disk space and 4 GB RAM.
How much does the software cost?
Personal costs $39 for 1 computer. Business costs $99 for up to 100 computers. Enterprise costs $199 for up to 500 computers.
Can I get a refund?
Yes. Refund requests are accepted for 30 days under the RecoveryTools refund policy. Software bought without a demo evaluation does not qualify. Email a signed Letter of Destruction to sales@recovery-tools.org. Bundle purchases cannot be refunded.
Merge Your OST Files With the Free Demo
Download the free demo, merge a small sample and buy the license when you want every item.