84,488,480 programs installed

Should I remove Microsoft Online Services Sign-in Assistant?

What percent of users and experts removed it?
6% remove it94% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #2,914
United States Rank #2,056
Reach 0.2035%
Lifespan of installation (until removal)
< 23.01 days
678.87 days >
Average installed length: 356.69 days


7.250.4556.0 4.69%
7.250.4551.0 3.96%
7.250.4303.0 61.36%
7.250.4287.0 13.44%
7.250.4259.0 1.67%
7.250.4209.0 1.65%
7.250.4122.0 13.24%

Typically installed together

Other programs by Microsoft

Microsoft Online Services Sign-in Assistant

What is Microsoft Online Services Sign-in Assistant?

The Microsoft Online Services Sign-In Assistant provides end user sign-in capabilities to Microsoft Online Services, such as Office 365. The MOS SIA installs client components that allow common applications, such as Microsoft Outlook and Lync, to authenticate to Microsoft Online Services. The MOS SIA can also provide an improved sign-in experience, such that end users can access Microsoft Online Services without having to re-enter their credentials (such as a user name or password). This download is intended for IT Professionals, for distribution to managed client systems as part of an Office 365 client deployment, via System Center Configuration Manager (SCCM) or similar software distribution systems.


The most used version is 7.250.4303.0, with over 98% of all installations currently using this version. The setup package is about 4.82 MB (5,051,392 bytes) when donwloaded.

Program detailsProgram details

URL: www.microsoft.com/en-us/download/details.aspx?id=28177
Uninstaller: MsiExec.exe /X{6C1ADE97-24E1-4AE4-AEDD-86D3A209CE60}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 4.82 MB
Language: English (United States)

How do I remove Microsoft Online Services Sign-in Assistant?

You can uninstall Microsoft Online Services Sign-in Assistant 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 Microsoft Online Services Sign-in Assistant, 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 Microsoft Online Services Sign-in Assistant.

Win 7 (SP1) 63%
Win XP 0%
Uninstall it 6%
Keep it 94%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 64.78%
Windows 10 30.68%
Windows Vista 2.37%
Windows XP 2.17%
Which OS releases does it run on?
Windows 7 Professional 32.37%
Windows 7 Home Premium 14.98%
Windows 7 Enterprise 10.93%
Windows 8.1 Pro 5.90%
Windows 7 Ultimate 5.58%
Windows 8.1 5.08%

Distribution by countryGeography

66.94% of installs come from the United States
Which countries install it?
  United States 66.94%
  United Kingdom 7.94%
  Canada 3.09%
  Australia 2.12%
  India 2.03%
  Israel 1.31%
  France 1.23%
  Netherlands 0.96%
  Singapore 0.85%
  Ireland 0.81%
  Norway 0.77%
  South Africa 0.74%
  Finland 0.70%
  Germany 0.66%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 46.01%
Hewlett-Packard 29.65%
Acer 5.45%
ASUS 4.13%
Lenovo 4.01%
Toshiba 3.29%
Intel 2.39%
Samsung 2.39%
Apple 0.53%
Common models
Dell Latitude E6430 3.49%
Dell Latitude E6420 3.41%
HP Pavilion dv6 Notebook ... 3.17%
Dell Latitude E6410 2.22%
Dell OptiPlex 790 2.22%
HP EliteBook 8460p 2.22%

About Microsoft

Microsoft Corporation develops, manufactures, licenses and supports a variety of products and services related to computing.
Publisher URL: www.microsoft.com


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