| File Extension: | ERR |
| File Type Description: | Error Log File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Microsoft Notepad |
| Primary Software Developer: | Microsoft Corporation |
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Error Log File files are the most popular type of files to carry the ERR file extension, originally developed by Microsoft Corporation for Microsoft Notepad. Website visitor analysis indicates that ERR files are commonly found on Windows 10 user machines, and are most popular in United States. Google Chrome is their primary internet browser for the bulk of these users.
 | GNU Emacs by GNU Project |
 | Autodesk AutoCAD by Autodesk, Inc. |
 | Microsoft Visual FoxPro by Microsoft Corporation |
 | Microsoft Notepad by Microsoft Corporation |
 | Apple TextEdit by Apple |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
 | Unix |
 | OS X El Capitan |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .ONEBIN | Microsoft Corporation | Temporary Files | OneNote Data |
| .H1S | Microsoft Corporation | System Files | Windows Assistance Platform Help File |
| .EX | Symantec Corporation | Settings Files | Norton Ghost Template Data |
| .USA | Microsoft Corporation | Data Files | American English Localization Language File |
| .UCCAPILOG | Microsoft Corporation | Data Files | Microsoft UCC API Log File |
| .STP | Unknown Developer | 3D Image Files | STEP 3D CAD File |
| .LOCKED | Unknown Developer | Encoded Files | Ransomware Encrypted File |
| .EXW | OpenEuphoria | Developer Files | Euphoria Source Code File |
| .MSH1 | Microsoft Corporation | Developer Files | Microsoft Shell Script File |
| .CLW | Microsoft Corporation | Developer Files | Visual C++ ClassWizard File |
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*Files that are not supported can be opened in binary format.
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