How to Download and Fix OUTLFLTR.DAT?

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

OUTLFLTR.DAT file test reg dat. 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 OUTLFLTR.DAT related errors on your device. You can also download OUTLFLTR.DAT file compatible with Windows 10, Windows 7, Windows Vista, 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 8

File info

General information
File extension DAT
Description test reg dat
Program dat
Author Microsoft Corporation
MIME type application/octet-stream
File type Executable application
System Win32
Copyrights Copyright © 1995-2002 Microsoft Corporation
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to OUTLFLTR.DAT 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 OUTLFLTR.DAT 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.

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

The last solution is to manually download and replace OUTLFLTR.DAT 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 OUTLFLTR.DAT file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of OUTLFLTR.DAT 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 8: ---

If the steps did not solve your OUTLFLTR.DAT 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 3610776 bytes
Date 2017-05-10
File details
MD5 c3f2c7dae6c8eefe97ccaaa56be0c842
SHA1 bf60d4081762f8c42a51d2e3dc76ba9c1162ff00
SHA256 3d90ff4e649cc0e3ac61f1664d53a09c6afa1f741f487f5c5dbd508d445e1d6d
CRC32 a2ffcd6b
Example file location C:\Program Files\Microsoft Office\Office15\
System Windows 7
File size 3670016 bytes
Date 2017-05-10
File details
MD5 ed103c1d188ea3929663e6b67681f622
SHA1 0d505f75c5c0ea3a70b5cafdee6323c25a5f718a
SHA256 379a7914295f22b494f758c9420ad515d8fd562e8d3e308f93463238ff9964d9
CRC32 7c058e2f
Example file location C:\Program Files (x86)\Microsoft Office\Office14\
System Windows Vista
File size 3611416 bytes
Date 2017-05-10
File details
MD5 158f9aa9112faf4cb2c08440e497b662
SHA1 e8cdf0056f40cf89118dbcc34863c388f7c84e57
SHA256 ef410a875db0de1deed2296402cd59110c1caaff3be35e797bf98fc395df542c
CRC32 fc7d0bbe
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
System Windows XP
File size 2058343 bytes
Date 2017-05-10
File details
MD5 24f34b54f4fb9a7aaaf8f50323161f82
SHA1 506e19ded95dc333ed9f41695c1ac4feaa740adb
SHA256 eab9fa13fc55a00c06e6b46dbde56ce96b1cac20a3cfe8b3d78ee51576b3e83a
CRC32 d9936f19
Example file location ---
System Windows 8
File size 3610776 bytes
Date 2017-05-10
File details
MD5 c3f2c7dae6c8eefe97ccaaa56be0c842
SHA1 bf60d4081762f8c42a51d2e3dc76ba9c1162ff00
SHA256 3d90ff4e649cc0e3ac61f1664d53a09c6afa1f741f487f5c5dbd508d445e1d6d
CRC32 a2ffcd6b
Example file location ---