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How to Repair mapi32.dll? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing mapi32.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 mapi32.dll file can therefore effect in failed execution of the started process.

mapi32.dll file Extended MAPI 1.0 for Windows NT. 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 mapi32.dll related errors on your device. You can also download mapi32.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP, Windows XP, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP, Windows XP, Windows XP

File info

General information
Filename mapi32.dll
File extension DLL
Description Extended MAPI 1.0 for Windows NT
Software
Program Microsoft Exchange
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights Copyright © 1986-1999 Microsoft Corp. All rights reserved.
Character set Windows, Latin1
Comments Service Pack 3
mapi32.dll

There are various types of errors related to mapi32.dll file. mapi32.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 mapi32.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • mapi32.dll is corrupted
  • mapi32.dll cannot be located
  • Runtime Error - mapi32.dll
  • mapi32.dll file error
  • mapi32.dll file cannot be loaded. Module was not found
  • cannot register mapi32.dll file:
  • mapi32.dll file could not be loaded
  • mapi32.dll file doesn't exist

mapi32.dll

Error

Application could not be started because mapi32.dll file is missing. Reinstall the application to solve the problem.

OK

Problems related to mapi32.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 mapi32.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.

mapi32.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 mapi32.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 mapi32.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 mapi32.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 mapi32.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mapi32.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 mapi32.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 mapi32.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 mapi32.dll file

The last solution is to manually download and replace mapi32.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 mapi32.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mapi32.dll file example directory paths.

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---

If the steps did not solve your mapi32.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 mapi32.dll
System Windows 10
File size 94720 bytes
Date 2017-03-18
File details
MD5 1134e1f99eb567f8430780d5cad7bdc6
SHA1 aa03d6dc32437cfc8e0537bd0b2655cc40201ff6
SHA256 439dab0a89b9f0061710587e1547a25b2023bffdd103e3b8311ea910469e265b
CRC32 0ef2ff06
Example file location C:\Windows\System32\
Filename mapi32.dll
System Windows 8.1
File size 89600 bytes
Date 2014-11-21
File details
MD5 7e1f98a1edbf8ef347b38ac5ad36c52e
SHA1 5264ac4d3efb3cea509c66ac85b11350d8a5a05a
SHA256 451a3f469dc9352de028f1212932a2d6650fcf994040c9d81e31cad93adfdc8b
CRC32 830854be
Example file location C:\Windows\System32\
Filename mapi32.dll
System Windows 8
File size 82432 bytes
Date 2012-07-26
File details
MD5 ea2e47876a67a7764e4533a2c4d05687
SHA1 9f546420253d587dd3eafe1d5a06c4534c7d832b
SHA256 5c6cc127b1c8aeb775c364ecb6652c21bc17370b28145e4b032a67266b663348
CRC32 4e99a19e
Example file location 1: C:\Windows\System32\
Filename mapi32.dll
System Windows 7
File size 76800 bytes
Date -0001-11-30
File details
MD5 8bc9db92c4b2f3be89185beab2afc1f6
SHA1 93682732273caa15ace8b5b5fb98e8be4e730069
SHA256 4f40d5cce264290c8dd73a5766062a55ed4cf77d8f6b59d453ddb6f88b640d7e
CRC32 e81b688f
Example file location C:\Windows\SysWOW64\
Filename mapi32.dll
System Windows 7
File size 91648 bytes
Date 2010-11-21
File details
MD5 8f4bb0cfeced925d440abc2481278360
SHA1 659eeebc99b6220f9367ff70f650dbb38ca47689
SHA256 0a87e7e1b38300e211f2eca10bfb9831cf79b128deb9d7ab0aa6a715197ff2dd
CRC32 64b4a576
Example file location C:\Windows\SysWOW64\
Filename mapi32.dll
System Windows Vista
File size 66560 bytes
Date -0001-11-30
File details
MD5 98c77fd99f3db37b2c03f32b8f837b65
SHA1 a30a9f3df4820a687dd63e93014f360bc5e1a562
SHA256 f336058cd255f672e89b8680b114cc1c0aedd685d49de38bce1b76484bae931b
CRC32 b45f7068
Example file location ---
Filename mapi32.dll
System Windows Vista
File size 82944 bytes
Date 2006-11-02
File details
MD5 d5ea86c4f2533f5515c614138a120f22
SHA1 742f79597255b460643f77d9ccbf6aeff009db31
SHA256 5d0a7cf6fd456ec4ad73e331d2f3f500b4752bfde826472df5991e0c483ed273
CRC32 4f57d88f
Example file location ---
Filename mapi32.dll
System Windows XP
File size 137816 bytes
Date 2017-05-10
File details
MD5 2b1824a6ad828874a262cfbaab506bf4
SHA1 267dfd50f020ac7940ba916f4f68201e98f5e483
SHA256 f1e98d456adfcfec3fa4942d73aa2fa8ffe4c8bc43c66dffb3a05c172386aa51
CRC32 80bf5cad
Example file location ---
Filename mapi32.dll
System Windows XP
File size 131072 bytes
Date 2017-05-10
File details
MD5 0c0961661a7f151728b7325d0cf04a99
SHA1 32e1909747ff7796d9db1ba370e4fc8e4e187de6
SHA256 25e8b50f6e644a1ee8e592db8f5f9beea8ce28469436cf3939a5adf04f4a7435
CRC32 b4eeeeb1
Example file location ---
Filename mapi32.dll
System Windows XP
File size 112128 bytes
Date 2008-04-14
File details
MD5 e81bbe78a8ef85acd490b3e64ef63a7c
SHA1 756273eb5b28904c98496d483c257bd12e6e4e50
SHA256 8370cfa3febc8f74772538c17c1f153dd9d6a9dbbbca61ba2148880d713fc90d
CRC32 4086ef48
Example file location ---