ENVELOPE.DLL - Repair Issues and Download

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

ENVELOPE.DLL file Microsoft Outlook Envelope Control. 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 ENVELOPE.DLL related errors on your device. You can also download ENVELOPE.DLL file compatible with Windows 10, Windows 7, Windows Vista, Windows XP, Windows XP, Windows 8 devices which will (most probably) allow you to solve the problem.

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

File info

General information
File extension DLL
Description Microsoft Outlook Envelope Control
Program Microsoft Outlook
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 Neutral

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

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



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


Problems related to ENVELOPE.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 ENVELOPE.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.

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

The last solution is to manually download and replace ENVELOPE.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 ENVELOPE.DLL file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of ENVELOPE.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 XP: ---
  • Windows XP: ---
  • Windows 8: ---

If the steps did not solve your ENVELOPE.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 10
File size 160968 bytes
Date 2017-05-10
File details
MD5 7d01564e33a7c5b8bf8cd60788044bf5
SHA1 eeb1d09ed4e3aa717c92999a4e8861847fc96d18
SHA256 0a8268fd39d501745cd8634946807257a4adc353cd999673619abb2d3cd6df71
CRC32 81ad76b6
Example file location C:\Program Files\Microsoft Office\Office15\
System Windows 7
File size 155008 bytes
Date 2017-05-10
File details
MD5 8aeae15b4e934738663c79e44ed4003d
SHA1 142ea84ac1bea6fe39ac9ea4c7ef9378cc8142f1
SHA256 9588ad194418995b8d1f550ef189e4131bb991b96ad9a15ce69b3224800f2dbc
CRC32 c8e66686
Example file location C:\Program Files (x86)\Microsoft Office\Office14\
System Windows Vista
File size 154960 bytes
Date 2017-05-10
File details
MD5 3a01f73d5682bbb0ff49afb49f4cba0b
SHA1 81af61615d25061e00e205f3e4b9f8ce19174c3f
SHA256 3473f291fee2de232a9635bad142d5f8b5dc0ffccb70929cfcceb959212224b9
CRC32 464b8df0
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
System Windows XP
File size 131648 bytes
Date 2017-05-10
File details
MD5 06e13c6e5e0f57861806141a8d3f97d2
SHA1 11926c23448f0d8246e42b56e5f717f04b6c2a75
SHA256 f07b703744f862cd325adc2b30b1b0c7df4f5cd6ecde6eecb619a012de1aeb39
CRC32 fd2f7adf
Example file location ---
System Windows XP
File size 103840 bytes
Date 2017-05-10
File details
MD5 649142d1308763217bcd80af860ed0f9
SHA1 aa2601fbb36a562a6bf3fe49acc636cbbc1e4e16
SHA256 8696b36847fd21b78d28588a371ce89b5097bd434e5ee30ca9093265adf563e6
CRC32 8d838357
Example file location ---
System Windows 8
File size 160968 bytes
Date 2017-05-10
File details
MD5 7d01564e33a7c5b8bf8cd60788044bf5
SHA1 eeb1d09ed4e3aa717c92999a4e8861847fc96d18
SHA256 0a8268fd39d501745cd8634946807257a4adc353cd999673619abb2d3cd6df71
CRC32 81ad76b6
Example file location ---