BU file format description

Many people share .bu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .bu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .bu files.

2 filename extension(s) found in our database.

.bu - Pegasus Mail BU File

The BU data files are related to Pegasus Mail. The BU file is a Pegasus Mail BU File. Pegasus Mail is a donationware (previously freeware) e-mail client.

Pegasus Mail
Data files
- / -
Pegasus Mail BU File related extensions:
ArtRage Package File
FL Studio State Data
SAP POS Journal File
XER Manager Template
Torque 3D Model Data
Autodesk AutoCAD Civil 3D Survey Database

.bu - SAP Business One BackUp Data

The BU archive files are related to SAP Business One. The BU file is a SAP Business One BackUp Data. SAP Business One is a business management solution that automates key business functions in financials, operations, and human resources.

SAP Business One
Archive files
- / -
SAP Business One BackUp Data related extensions:
QZip Encrypted Archive
DEFLATE Compressed Data
QUAD Compressed Archive
WinHKI Archive
Zlib Compressed Data
Zapback Backup Archive

Naturally, other applications may also use the .bu file extension. Even harmful programs can create .bu files. Be especially cautious with .bu files coming from an unknown source!

Can't open a .bu file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .bu file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bh, bi, bj, bk, by, hu, ub, vu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BSC Intermediate Object
Sound Forge Batch Job
Bohemia Interactive Addon Signature
XtalView Xfit Vector Data
Movie Magic Screenwriter Document Backup
Microsoft Visual Basic Include

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .bu file format, then write to us!

DataTypes.net >> BU file