Missing mapi32bak.dll error solution for Windows

Please read the instructions carefully before you download the mapi32bak.dll.Take the proper steps to safely clean and repair windows errors.

1. Where should this file go? After you download mapi32bak.dll on your machine, paste it in directory where it missing, and also copy it to

Windows 95, 98, ME C:\Windows\System
Windows NT, 2000 C:\WinNT\System32
Windows XP, Vista, 7, 8 C:\Windows\System32
64-bit Windows C:\Windows\System64

If you can't find windows directory try:
a. Press and hold Windows key on your keyboard, then press button R.
b. Enter the command "cmd" and press Enter
c. In a command window enter the command "set systemroot" and press Enter. It will display system directory.
2. Go to "start" ==> "run" and type "regsvr32 mapi32bak.dll" to register the file to the system.

File Information
  • Namemapi32bak.dll (mapi32bak.dl_)
  • CategoryOperating System > dll
  • DescriptionExtended MAPI 1.0 for Windows NT
    Microsoft Exchange
    Copyright 1986-1999 Microsoft Corporation. All rights reserved.
  • Filenamemapi32bak.zip
  • Filesize33.44 kB
  • Filetypezip (Mime Type: application/zip)
  • Rating 4.7 / 5 , 4 rating
  • MD5: 11304481d50313cd5ffcb4ef44a92c42
  • SHA1: ac1d9e8cca16103c73fff0a35bd739bbc1c3dbe0
  • SHA265: $5$rounds=5000$dlldownloadsyste$t6uHaszj4v.XiyoLiBvsoQi8Oz29reMlD4OwPX/CRf5

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All possible solutions

Got computer error message like:

"mapi32bak.dll crash"
"bad image"
"error loading"
"mapi32bak.dll was not found"
"the procedure entry point mapi32bak.dll error"
"mapi32bak.dll could not be located"
"Access Violation"
"Cannot register mapi32bak.dll"

at startup or shutdown or run program?
No "missing dll" anymore - Repair dll errors - How to fix windows dll corrupt on your windows xp,vista,2000/2003,win7, win8,win10

  • Download and install mapi32bak.dll.
  • Download and install the latest update.
  • Install windows updates automatically/regularly, allow Windows check updates in the background.
  • Reinstall the application.