84,488,480 programs installed

Should I remove DataSync Outlook?

What percent of users and experts removed it?
1% remove it99% 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?
Global Rank #18,700
Reach 0.0124%


7.00.2906 94.69%
5.01.2906 5.31%

DataSync Outlook


DataSync Outlook is a program developed by O3SIS AG. The most used version is 7.00.2906, with over 98% of all installations currently using this version. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is DataSync Outlook.exe. The software installer includes 32 files and is usually about 1.75 MB (1,839,104 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 95% of users of DataSync Outlook come from Germany, it is also popular in the United States and MA.

Program detailsProgram details

URL: www.o3sis.com
Installation folder: C:\Program Files\Deutsche Telekom\DataSync Outlook\
Uninstaller: C:\Program Files1\GEMEIN~1\INSTAL~1\Driver\1050\INTEL3~1\IDriver.exe /M{1C9171AC-5519-4DF4-B44D-B28F678DEB4C}
Estimated size: 1.75 MB
Language: German (Germany)

Program filesFiles installed by DataSync Outlook

Program executable:DataSync Outlook.exe
Path:C:\Program Files\Deutsche Telekom\DataSync Outlook\DataSync Outlook.exe
Additional files:
  • sync700.dll - OutlookRegisterDll (Outlook Register Dll)
  • DataSync Outlook.exe - Synchronisation (PC-Server-Synchronisation)
  • resourcedll_de.dll
  • regdll.dll - RegisterDll (Register Dll)
  • browser_setup.exe
  • browser7_setup.exe (by Deutsche Telekom AG) - Browser 7 der Telekom (Browser 7 Setup)
  • ChromeSetup.exe (by Google) - Google Update (Google Update Setup)
  • COMPUTER_BILD_Account-Alarm_Installation.exe (by J3S GmbH) - COMPUTER BILD Account-Alarm Installation
  • datasync_outlook.exe
  • DTSS_Setup.exe (by Hewlett-Packard Company) - HP Webpack
  • e_mail_software_setup.exe
  • Firefox%20Setup%20Stub%2034.0.5.exe (by Igor Pavlov) - 7-Zip (7z Setup SFX)
  • firefox.exe (by Mozilla) - Firefox
  • formatconverter5.exe (by D) - Format Converter 5 (Installer for Format Converter 5)
  • Fotobearbeitung .exe (by HP) - HP Photo Creations Installer
  • GoogleEarthProWin.exe
  • gusetup.exe (by Glarysoft Ltd) - Glary Utilities (Glary Utilities Setup)
  • IE11-Setup-Full.exe (by Microsoft) - Internet Explorer 11 (Win32 Cabinet Self-Extractor)
  • IE11-Windows6.1-x64-de-de.exe (by Microsoft) - Internet Explorer (Setup-Dienstprogramm für Internet Explorer 11)
  • install_flashplayer17x32_mssa_aaa_aih-Download.exe
  • INT_GD_USB_KEYBOARD_GUARD.exe (by G Data Software AG) - G Data Security Setup
  • KiesSetup.exe (by Samsung Electronics Co) - Samsung Kies (Samsung Kies Installer 2.0)
  • netzmanager_181_setup.exe (by Deutsche Telekom AG, Marmiko IT-Solutions GmbH) - Netzmanager der Deutschen Telekom AG
  • online_manager_setup.exe (by Deutsche Telekom AG) - Online Manager (Online Manager Installation)
  • PAYBACK_Toolbar_32_1_1_2.exe (by PAYBACK GmbH) - PAYBACK Toolbar
  • Riedbahn_2012.exe
  • S2c01dex.exe
  • sync421.dll

Program behaviorsBehaviors exhibited

Scheduled Task
  • firefox.exe is scheduled as a task with the class '{55FA3AC7-D799-4238-AB46-BBCA1E55F59D}' (runs on registration).
Startup File (User Run)
  • DataSync Outlook.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'DataSync Outlook' and executes as "C:\Program Files\Deutsche Telekom\DataSync Outlook\DataSync Outlook.exe" -S.
Windows Firewall Allowed Program
  • firefox.exe is added as a firewall exception for 'C:\Program Files\Mozilla Firefox\firefox.exe'.
Network connections
  • firefox.exe connects to (port 80).
  • firefox.exe connects to (port 80).
  • firefox.exe connects to (port 80).
  • firefox.exe connects to a23-15-7-96.deploy.akamaitechnologies.com ( port 80).
  • firefox.exe connects to channel-ecmp-05-ash3.facebook.com ( port 80).
  • firefox.exe connects to ec2-50-19-100-238.compute-1.amazonaws.com ( port 80).
  • firefox.exe connects to edge-star-ecmp-04-sea1.facebook.com ( port 80).
  • firefox.exe connects to LB160.LSAG.COTENDO.net ( port 80).
  • firefox.exe connects to lhr08s03-in-f0.1e100.net ( port 80).
  • firefox.exe connects to sea09s02-in-f6.1e100.net ( port 80).
  • Plus 6 more

Program resource utilizationResource utilization averages

Memory:344.17 MB
21.09 MB average
Total CPU:0.0325455232%
0.031193% average
Kernel CPU:0.02147044%
0.016088% average
User CPU:0.01107508%
0.015104% average
CPU cycles/sec:122,020,273
8,062,084 average
70 average
I/O reads/min:3.14 MB
435.61 KB average
I/O writes/min:2.67 MB
105.02 KB average

How do I remove DataSync Outlook?

You can uninstall DataSync Outlook 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 DataSync Outlook, 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 DataSync Outlook.

Win 7 (SP1) 57%
Win 7 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 57.14%
Windows 10 21.63%
Windows XP 11.43%
Windows Vista 9.80%
Which OS releases does it run on?
Windows 7 Home Premium 43.27%
Microsoft Windows XP 11.43%
Windows Vista Home Premiu... 9.39%
Windows 7 Professional 9.39%
Windows 10 Home 4.49%
Windows 8.1 Pro 4.08%

Distribution by countryGeography

95.08% of installs come from Germany
Which countries install it?
  Germany 95.08%
  United States 3.69%
  MA 0.41%
  Netherlands 0.41%
  Peru 0.41%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Medion 31.82%
Acer 18.18%
Dell 9.85%
Hewlett-Packard 8.33%
ASUS 6.82%
Samsung 4.55%
Lenovo 3.79%
Sahara 3.79%
Toshiba 3.03%
Intel 2.27%
American Megatrends 1.52%
Common models
MEDIONPC MS-7728 4.44%
MEDIONPC MS-7502 2.96%
MEDIONPC MS-7616 2.96%
MEDION H77H2-EM 2.22%
MEDION E7214 2.22%
HP Pavilion dv7 Notebook ... 2.22%


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