Opening ABY Files

The ABY file type is primarily associated with AOL.

ABY	File extension: ABY
	File type:	Address Book

What is an ABY file?

ABY files mostly belong to AOL by America Online, Inc. Usually found in the AOL program directory.

How to open an ABY file

You need a suitable software like AOL to open an ABY file. You need a suitable software like AOL from America Online, Inc. to open an ABY file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ABY file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ABY file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ABY Text Viewer

Choose your .aby file to analyze

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What to Do When a .ABY File Fails to Open

Because .ABY files can originate from different programs, they aren't universally openable.

Identify the Source: Exporting contacts from an older email client suggests an Address Book from America Online, Inc., while receiving it from a colleague may imply a custom data export.
Check the Header: Open the file in a text or hex editor to inspect the first bytes:
- Readable names suggest a plain-text contact list.
- "PK" indicates a zipped archive.
- Unreadable symbols indicate a proprietary binary format.
Use the Original Software: You usually need the original program; try America Online (AOL) Desktop, AOL Mail, or ask the sender what software they used.
Use this Webpage: Drag and drop your .ABY file into our viewer to detect its format, extract readable text or metadata, and preview when possible.

Technical Data for ABY File Extension

Identifier:

Hex: 41 4F 4C 44 42 2D 32 35, ASCII: AOLDB-25 (provided by TrID database)

Related files:

abi, 40, dci, ph

an aby Address Book is a special file format by America Online, Inc. and should only be edited and saved with the appropriate software.

How to solve problems with ABY files

Associate the ABY file extension with the correct application.
Update your software that should actually open address books. Because only the current version supports the latest ABY file format. Search, therefore, e.g. on the America Online, Inc. manufacturer website after an available AOL update.
To make sure that your ABY file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ABY file online - secure, fast, and no downloads needed.