DLL

ActiveSyncCsp.dll

Download and install ActiveSyncCsp.dll to fix missing or corrupted DLL errors.

(17 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
ActiveSync CSP DLL
Architecture
x86-64 (64 bit) ARM64 x86 (32 bit)
Metadata Consensus
17/17 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is ActiveSyncCsp.dll?

Metadata analysis shows ActiveSyncCsp.dll is a Dynamic Link Library (DLL) and is described as ActiveSync CSP DLL .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing windows or replacing the DLL resolves the issue.

How do I fix ActiveSyncCsp.dll errors?

Most errors involving ActiveSyncCsp.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install ActiveSyncCsp.dll?

To install ActiveSyncCsp.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\ActiveSyncCsp.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\ActiveSyncCsp.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\ActiveSyncCsp.dll
How do I register ActiveSyncCsp.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\ActiveSyncCsp.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\ActiveSyncCsp.dll".

Latest Releases

ActiveSyncCsp.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ActiveSync CSP DLL
NEW Version: 10.0.26100.8115 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.8115
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 100KB
SHA256: eca31c1ab82b33a0c897bea2e43de72c8747c7536acbe3711b00029ef4b0b724
SHA1: c0023c25028197414f956c65342d2f7fb5ac13af
MD5: fa5eeabf461e930c3ca93549959f8279
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ActiveSyncCsp.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ActiveSync CSP DLL
Version: 10.0.26100.5074 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.5074
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 100KB
SHA256: 8e5c5f130f1ae4d7cb77bde3b8cd8c0292702e6cfb25c2494196f9b38e7ca850
SHA1: 32dd7fec8124df1b77c4bd43c4385d1ce43c8002
MD5: 24f3162145bfd2b3c1d852d3a63436b5
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ActiveSyncCsp.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ActiveSync CSP DLL
Version: 10.0.26100.1150 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1150
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 100KB
SHA256: 903430a3f9b7065763556d7b45ac3064fc59cecc7ab803a0e920aea0582f9bf3
SHA1: 7e2b28775e6dec08a30b2795d9716687eea0423a
MD5: 24fe7768b711238646a420655d4f6c3d
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ActiveSyncCsp.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ActiveSync CSP DLL
Version: 10.0.26100.1 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 100KB
SHA256: c4a2f1a81ff0d5325e6d50b22f7735ac11e075574474b978fa29620c35b8761a
SHA1: 9f1c7efeac0cee4bdbcb6f45edfafec05c39f140
MD5: ddb19fc2ab67715d35c658372d7b0b0b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
ActiveSyncCsp.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
ActiveSync CSP DLL
Version: 10.0.22621.3527 (WinBuild.160101.0800) Verified
Product Version: 10.0.22621.3527
Language: U.S. English (1033)
Uploaded: May 20, 2024   Size: 124KB
SHA256: 3f297b259f972f0c4fad1f30aae414d472d5894ae39ab0ed9bdfabca6dc1aa34
SHA1: 7ad5e0a8f289d73cb7d1a977a5e5894487222d9f
MD5: 86da013f02004a5e1d8a3859ec05a23e
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD