Download and Fix excelcnvpxy.dll

Sometimes Windows system displays error messages regarding corrupted or missing excelcnvpxy.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 excelcnvpxy.dll file can therefore effect in failed execution of the started process.

excelcnvpxy.dll file Microsoft Excel File Format Converter Proxy. 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 excelcnvpxy.dll related errors on your device. You can also download excelcnvpxy.dll file compatible with Windows 10, Windows 7, Windows Vista, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 7, Windows Vista, Windows 8

File info

General information
Filename excelcnvpxy.dll
File extension DLL
Description Microsoft Excel File Format Converter Proxy
Program Microsoft Office 2010
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © 2010 Microsoft Corporation. All rights reserved.
Character set Windows, Latin1
Language cod English (U.S.)

There are various types of errors related to excelcnvpxy.dll file. excelcnvpxy.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 excelcnvpxy.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to excelcnvpxy.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 excelcnvpxy.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.

excelcnvpxy.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 excelcnvpxy.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 excelcnvpxy.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 excelcnvpxy.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 excelcnvpxy.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the excelcnvpxy.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 excelcnvpxy.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 excelcnvpxy.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 excelcnvpxy.dll file

The last solution is to manually download and replace excelcnvpxy.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 excelcnvpxy.dll file.

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

  • Windows 10: C:\Program Files\Microsoft Office\Office15\
  • Windows 7: C:\Program Files (x86)\Microsoft Office\Office14\
  • Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
  • Windows 8: ---

If the steps did not solve your excelcnvpxy.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

Filename excelcnvpxy.dll
System Windows 10
File size 46144 bytes
Date 2017-05-10
File details
MD5 fd747b3dcff1021f7394d04330068b36
SHA1 5974619c3cd4ef3365177d1ab84b978428dffecc
SHA256 6a229778e5f0445825cfb2a6c18a3eea31e6b7a0e5085270261d1835d33ac59d
CRC32 44782870
Example file location C:\Program Files\Microsoft Office\Office15\
Filename excelcnvpxy.dll
System Windows 7
File size 53088 bytes
Date 2017-05-10
File details
MD5 976fe1fe512945e390ba10f6964565bf
SHA1 c0fb64dfa4e7e1a98f7c0da17ea070a37d437321
SHA256 2a7fd057c49560d37422429e0f168dd703b1dde286b54a63b386fb62d0fd395f
CRC32 e02a2b9f
Example file location C:\Program Files (x86)\Microsoft Office\Office14\
Filename excelcnvpxy.dll
System Windows Vista
File size 72472 bytes
Date 2017-05-10
File details
MD5 f6f7a81ead385f80130af31d5cef3031
SHA1 fb4b3b234c42d4482f6070e7ff47b8d2fde77a2f
SHA256 d34158859dc8e09079f355e899f3d48b4a35ce585f4fc69322e3937fcdc1918b
CRC32 827e465e
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
Filename excelcnvpxy.dll
System Windows 8
File size 46144 bytes
Date 2017-05-10
File details
MD5 fd747b3dcff1021f7394d04330068b36
SHA1 5974619c3cd4ef3365177d1ab84b978428dffecc
SHA256 6a229778e5f0445825cfb2a6c18a3eea31e6b7a0e5085270261d1835d33ac59d
CRC32 44782870
Example file location ---