ATT00001 file format description

ATT00001 file format

We made this page to help you understand how to work with ATT00001 files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the ATT00001 file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing ATT00001 files, this page offers all the tools you need.

#1 Microsoft Exchange Generic Attachment Data

The ATT00001 file is categorized under Data. It is associated with Microsoft Exchange Server, serving as a Microsoft Exchange Generic Attachment Data. Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. Visit the website of Microsoft Exchange Server for a detailed description of the ATT00001 format.

Application:Microsoft Exchange Server
Category:Data files
Magic:- / -

Microsoft Exchange Generic Attachment Data related extensions

  • fob Microsoft Dynamics NAV Object Container
  • vrge08note Microsoft Entourage 2008 Note Data
  • ipf Microsoft SMS Installer Script
  • mscg Microsoft ClipArt Gallery for Mac Data

Windows can't open your ATT00001 file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this ATT00001 file.

To set the ATT00001 file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set ATT00001 file association. Many apps can open files. They don't need a specific file association to be set.

Handle ATT00001 files with care

Exercise caution when handling ATT00001 files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar ATT00001 files. Use trusted antivirus software to scan files from unknown sources before opening.

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