A blt file extension is related to the AOL Instant Messenger, an instant messenger software. A blt file stores contact.
There are 2 other file types using
the BLT file extension!
.blt - Corel WordPerfect for DOS data
.blt - CATC Merlin Bluetooth trace
Detailed description
Software that open blt file
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BLT file extension - AIM AOL Instant Messenger saved buddy list
What is blt file? How to open blt files?
The blt file extension is associated with the AOL Instant Messenger (also known as AIM), an instant messenger for various platforms.
The blt file contains saved contact, users information from AIM AOL Instant Messenger buddy (contact) list.
The default software associated to open blt file:
AOL Instant Messenger (AIM) 
Company or developer:
AOL Inc.
AOL Instant Messenger, simply known as AIM, is an instant messaging and presence computer program. client software s available for Microsoft Windows, Windows Mobile, mac OS, Android, iOS, BlackBerry OS.
Help how to open:
This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.
How to convert:
As far as we know, this .blt file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.
List of software applications associated to the .blt file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open blt file, edit blt file, convert blt file, view blt file, play blt file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting blt files.
Programs that can create blt file - AIM AOL Instant Messenger saved buddy list
Programs supporting the exension blt on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about AOL Instant Messenger (AIM) for create blt file action.
Settings file type for software that use blt file - AIM AOL Instant Messenger saved buddy list
Programs supporting the exension blt on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about AOL Instant Messenger (AIM) for settings blt file action.
Unspecified and all other actions for computer programs working with blt file - AIM AOL Instant Messenger saved buddy list
Click on the software link for more information about AOL Instant Messenger (AIM). AOL Instant Messenger (AIM) uses blt file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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