84,488,480 programs installed

Should I remove 4Team OST2 Free Edition?

What percent of users and experts removed it?
7% remove it93% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Reach 0.0013%
Lifespan of installation (until removal)
< 37.60 days
360.67 days >
Average installed length: 189.50 days


1.30.0168 7.69%
1.20.0160 7.69%
1.12.0144 34.62%
1.11.0136 34.62%
1.10.0034 15.38%

4Team OST2 Free Edition

What is 4Team OST2 Free Edition?  (from 4Team)

Convert OST to PST files and connect converted files to Microsoft Outlook*.
Free Microsoft Exchange files (.OST) converter. OST to PST conversion can be a solution of problems caused by Exchange Server. In case of your Exchange Server downtime, accidental user account deletion, the server crashes and your data is no...  Read more


4Team OST2 Free Edition is a software program developed by 4Team. The most common release is 1.12.0144, with over 98% of all installations currently using this version. It adds registry entry for the current user which will allow the program to automatically start each time it is rebooted. The primary executable is named Ost2.exe. The setup package generally installs about 25 files and is usually about 6.31 MB (6,614,636 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 53% of users of 4Team OST2 Free Edition come from the United States, it is also popular in India and Germany.

Program detailsProgram details

URL: www.ost2.com
Installation folder: C:\Program Files\4Team Corporation\OST2\
Uninstaller: MsiExec.exe /X{6A3B527E-CA84-486B-9F13-3B3905968977}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 6.31 MB
Language: English (United States)

Program filesFiles installed by 4Team OST2 Free Edition

Program executable:Ost2.exe
Convert OST file to PST file for Microsoft Outlook
Path:C:\Program Files\4Team Corporation\OST2\Ost2.exe
Additional files:
  • ForTeam.SettingsProvider.dll - ForTeam.SettingsProvider
  • ForTeam.OutlookFilters.dll - ForTeam.OutlookFilters
  • ForTeam.PstBackup.Data.dll - ForTeam.PstBackup.Data
  • ForTeam.StoreProvider.dll - ForTeam.StoreProvider
  • ForTeam.Utils.SystemMonitor.dll - ForTeam.SystemMonitor
  • ForTeam.FileSystem.dll - ForTeam.FileSystem
  • ForTeam.PstBackup.dll - ForTeam.PstBackup
  • ForTeam.CustomUI.dll - ForTeam.CustomUI
  • ForTeam.Database.dll - ForTeam.Database
  • ForTeam.Helpers.dll - ForTeam.Helpers
  • ForTeam.Licensing.Wrapper.dll - Lib4TeamWrapper
  • ForTeam.Stats.dll - ForTeam.Stats
  • ForTeam.Log.dll - ForTeam.Log
  • Ost2.exe - Ost2Pst (Convert OST file to PST file for Microsoft Outlook)
  • Interop.Redemption.dll - Assembly imported from type library 'Redemption'.
  • Ost2Pst.Manager.dll - Ost2Pst.PstManager
  • Ost2Pst.Interfaces.dll - Ost2Pst.IStorage
  • Ost2Pst.Data.dll - Ost2Pst.Data
  • Independentsoft.Pst.dll (by Independentsoft) - PST .NET

Program behaviorsBehaviors exhibited

Startup File (User Run)
  • Ost2.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'OST To PST Converter' and executes as "C:\Program Files\4Team Corporation\OST2\Ost2.exe" /autostart.

How do I remove 4Team OST2 Free Edition?

You can uninstall 4Team OST2 Free Edition from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program 4Team OST2 Free Edition, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove 4Team OST2 Free Edition.

Win 7 (SP1) 54%
Win Server 2003 4%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 7%
Keep it 93%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 53.85%
Windows 10 42.31%
Windows Server 2003 3.85%
Which OS releases does it run on?
Windows 7 Professional 34.62%
Windows 7 Enterprise 11.54%
Windows 8.1 Enterprise 7.69%
Windows 8.1 Pro 7.69%
Windows 7 Home Premium 7.69%
Windows 8.1 7.69%

Distribution by countryGeography

52.63% of installs come from the United States
Which countries install it?
  United States 52.63%
  India 5.26%
  Germany 5.26%
  United Kingdom 5.26%
  UA 2.63%
  Qatar 2.63%
  Belgium 2.63%
  Finland 2.63%
  Australia 2.63%
  Austria 2.63%
  Portugal 2.63%
  Estonia 2.63%
  Netherlands 2.63%
  DK 2.63%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 40.00%
Lenovo 20.00%
Acer 20.00%
Hewlett-Packard 15.00%
ASUS 5.00%
Common models
Dell Precision WorkStatio... 8.33%
MSI MS-7636 4.17%
LENOVO 80DU 4.17%
LENOVO 20BE00B8MS 4.17%
LENOVO 20175 4.17%


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