EXCHCSP.DLL Troubleshoot and Download

Sometimes Windows system displays error messages regarding corrupted or missing EXCHCSP.DLL files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent EXCHCSP.DLL file can therefore effect in failed execution of the started process.

EXCHCSP.DLL file Microsoft Exchange Cryptgraphic Service Provider V1.0 (US/Canada Only, Not for Export). The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of EXCHCSP.DLL related errors on your device. You can also download EXCHCSP.DLL file compatible with Windows Vista, Windows XP, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows Vista, Windows XP, Windows XP

File info

General information
File extension DLL
Description Microsoft Exchange Cryptgraphic Service Provider V1.0 (US/Canada Only, Not for Export)
Program Microsoft Outlook
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © 2006 Microsoft Corporation. All rights reserved.
Character set Windows, Latin1
Language cod Neutral

There are various types of errors related to EXCHCSP.DLL file. EXCHCSP.DLL file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to EXCHCSP.DLL file. If you encounter one listed below (or similar), please consider the following suggestions.

  • EXCHCSP.DLL is corrupted
  • EXCHCSP.DLL cannot be located
  • Runtime Error - EXCHCSP.DLL
  • EXCHCSP.DLL file error
  • EXCHCSP.DLL file cannot be loaded. Module was not found
  • cannot register EXCHCSP.DLL file:
  • EXCHCSP.DLL file could not be loaded
  • EXCHCSP.DLL file doesn't exist



Application could not be started because EXCHCSP.DLL file is missing. Reinstall the application to solve the problem.


Problems related to EXCHCSP.DLL can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing EXCHCSP.DLL file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

EXCHCSP.DLL file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with EXCHCSP.DLL file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to EXCHCSP.DLL file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of EXCHCSP.DLL or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to EXCHCSP.DLL file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the EXCHCSP.DLL file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the EXCHCSP.DLL file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the EXCHCSP.DLL file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace EXCHCSP.DLL file

The last solution is to manually download and replace EXCHCSP.DLL file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded EXCHCSP.DLL file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of EXCHCSP.DLL file example directory paths.

  • Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
  • Windows XP: C:\Program Files\Microsoft Office\OFFICE11\
  • Windows XP: C:\Program Files\Microsoft Office\OFFICE11\

If the steps did not solve your EXCHCSP.DLL file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

System Windows Vista
File size 264192 bytes
Date 2017-05-10
File details
MD5 0d05bd5ea578d4341014eabff0392137
SHA1 4489ad134f824806897d3c024aff3652e7c0e980
SHA256 8da60330b76fc5bafd291a51e3c8958212c3b6f3a85f8bca715f36bdf744494d
CRC32 6fe35b4f
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
System Windows XP
File size 247296 bytes
Date 2017-05-10
File details
MD5 a29fea9f983ac8b8c375664d55b71dad
SHA1 286d375db8dbcb5d130c87e06cbdda2dd557a656
SHA256 ac94e972ef02e25a5aab8d24fa39eb569ada9fa803673a9562a45c76994e2928
CRC32 966a3ff6
Example file location C:\Program Files\Microsoft Office\OFFICE11\
System Windows XP
File size 253952 bytes
Date 2017-05-10
File details
MD5 60a0c862336e54bda2f480f6f0010ad0
SHA1 0a50e166bf75a2b93430979f1c50601f6e7a0817
SHA256 97d89b674c22bb834b0e4be39b02e2b3c04fedf47ff87ca6c9fc0326485aa6f3
CRC32 b9d8a597
Example file location C:\Program Files\Microsoft Office\OFFICE11\