Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

15.0.4553.1000 1.16%
15.0.4420.1017 0.30%
15.0.4420.1017 3.88%
15.0.4128.1014 0.75%
14.0.7005.1000 4.03%
14.0.7005.1000 0.45%
14.0.6009.1000 18.97%
14.0.6009.1000 2.42%
14.0.4760.1000 2.97%
14.0.4760.1000 0.15%
14.0.4734.1000 2.57%
14.0.4734.1000 0.30%
12.0.6650.5000 28.13%
12.0.6606.1000 1.11%
12.0.6501.5000 1.01%
12.0.6423.1000 0.55%
12.0.6413.1000 0.15%
12.0.4518.1014 16.31%
11.0.8202 6.19%
11.0.8202 0.15%
11.0.8202 0.45%
11.0.8161 0.05%
11.0.8161 0.05%
11.0.8161 0.65%
11.0.8161 0.05%
View more

Relationships

olkfstub.dll

Microsoft Outlook by Microsoft Corporation (Signed)

Remove olkfstub.dll
Version:   10.0.6515
MD5:   c6c8cd7f42c1bfa8834e2641f4bcbc2f
SHA1:   6de8a34fcb5a65dc6007eef5b27b02ace6ff49d9
SHA256:   4e25a36c8291e465ea5758a6c22221f5be0a4a7decd62a8b20a06886fcf06fbe

What is olkfstub.dll?

The Outlook Shell Hook for Start/Find for Microsoft Office is an Windows Explorer shell extension that allows Outlook to be integrated into Explorer for search of the installed email services.

Overview

olkfstub.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Microsoft Corporation.

DetailsDetails

File name:olkfstub.dll
Publisher:Microsoft Corporation
Product name:Microsoft Outlook
Description:Outlook Shell Hook for Start/Find
Typical file path:C:\Program Files\microsoft office\office14\olkfstub.dll
File version:10.0.6515
Size:54.72 KB (56,032 bytes)
Build date:12/17/2003 2:26 AM
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Monday, December 7, 2009
Expiration date:Monday, March 7, 2011
Digital DNA
Entropy:5.716774
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'Microsoft Outlook Custom Icon Handler' with CLSID {0006F045-0000-0000-C000-000000000046}
Search handlers
  • OutlookFind

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 27.00%
Windows 7 Ultimate 21.50%
Microsoft Windows XP 9.00%
Windows 8.1 7.50%
Windows 7 Professional 6.50%
Windows 8.1 Pro 6.00%
Windows 8 Pro 4.50%
Windows Vista Home Premium 4.50%
Windows 8 4.00%
Windows 8.1 Single Language 2.00%
Windows 8 Enterprise 2.00%
Windows 8 Pro with Media Center 1.50%
Windows 7 Home Basic 1.00%
Windows 8 Enterprise N 1.00%
Windows 7 Enterprise 1.00%
Windows Se7en Titan 0.50%
Microsoft Windows XP Home Edition 0.50%

Distribution by countryDistribution by country

United States installs about 32.29% of Microsoft Outlook.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 23.48%
ASUS 16.52%
Hewlett-Packard 10.87%
Lenovo 10.43%
Intel 9.57%
Acer 9.13%
Toshiba 5.22%
Samsung 3.48%
Sony 3.48%
Gateway 3.48%
GIGABYTE 3.04%
American Megatrends 0.43%
Sahara 0.43%
Alienware 0.43%
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