Files with bu file extension can be often found as temporary data files from Pegasus Mail e-mail client and server software.

There are 2 other file types using
the BU file extension!

empty icon.bu - Samsung CCTV security video recording

empty icon.bu - SAP Business One backup data

Detailed description

Software that open bu file

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BU file extension - Pegasus Mail temporary data

What is bu file? How to open bu files?

File type specification:

Temporary file type icon Temporary file type

The bu file extension is related to Pegasus Mail, an-email client and used for some of its temporary files.

These files are used by the program when parsing html files.

The default software associated to open bu file:

Pegasus Mail icon

Pegasus Mail  Microsoft Windows software

Company or developer:
David Harris

Pegasus Mail is one of  the Internet's longest-serving PC e-mail system used on Windows.

Help how to open:

You cannot open these .bu files manually, they are accessed by the program automatically.

How to convert:

A conversion for this type of Pegasus Mail temporary files is highly unlikely.

List of software applications associated to the .bu 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 bu file, edit bu file, convert bu file, view bu file, play bu file etc. (if exist software for corresponding action in's database).

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 bu files.

Programs that can create bu file - Pegasus Mail temporary data

Programs supporting the exension bu on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Pegasus Mail for create bu file action.

Microsoft Windows:

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