>> BK1 file

BK1 file format description

Many people share .bk1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .bk1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .bk1 files.

5 filename extension(s) found in our database.

.bk1 - FlashGet Database Backup

The BK1 data files are related to FlashGet. BK1 file is a FlashGet Database Backup. JCD is FlashGet's download database file. FlashGet backs up JCD file every day. The backed-up files are named default.bk1, default.bk2, and default.bk3.

Data files
- / -
bk2, bk3, bk4
FlashGet Database Backup related extensions:
FlashGet Unfinished File
FlashGet Partial Download
FlashGet Incomplete Download
FlashGet Download Database

.bk1 - Windows Indexing Service Data

The BK1 data files are related to Microsoft Windows. BK1 file is a Windows Indexing Service Data. The Windows Indexing is a Windows service that is designed to index all of the files on your computer into a database.

Microsoft Windows
Data files
- / -
Windows Indexing Service Data related extensions:
Top Secret Crypto Gold One Time Pad Key
Build-Quant Object Database
CUEcards Database
Match! Answer Set Database
F-Secure Easy Clean Selection Data
BricsCAD Dialog Error Log

.bk1 - CA ERwin Data Modeler Backup

The BK1 data files are related to CA ERwin Data Modeler. BK1 file is a CA ERwin Data Modeler Backup. CA ERwin Data Modeler (ERwin) is a software tool for data modeling (data requirements analysis, database design etc) of custom developed information systems, including databases of transactional systems and data marts.

CA ERwin Data Modeler
Data files
- / -
CA ERwin Data Modeler Backup related extensions:
Easy Timesheets Data
Soundweb Designer Macro Data
Adobe Pagemaker Registration Data
Holux MapShow Map List
Maxagrid Avails Data
Digital InterPlot Data

.bk0 - Aspen HYSYS Backup File

The BK0 data files are related to Aspen HYSYS. BK0 file is an Aspen HYSYS Backup File. Aspen HYSYS is a process modeling tool for conceptual design, optimization, business planning, asset management, and performance monitoring for oil & gas production, gas processing, petroleum refining, and air separation industries.

Data files
- / -
bk1, bk2
Aspen HYSYS Backup File related extensions:
PICS Service Description
SDDS Toolkit Data
Compressed ENVIS Archive
IRedit Database
ANSYS Fluent Path Line Data
Anno Wallet Backup File

.bk! - Corel WordPerfect Document Backup

The BK! document files are related to Corel WordPerfect. BK! file is a Corel WordPerfect Document Backup. Corel WordPerfect is a popular, fully-featured commercial word processor program.

Corel WordPerfect
Document files
- / -
bk1, bk2, bk3, bk4, bk5, bk6, bk7, bk8, bk9, bkn
Corel WordPerfect Document Backup related extensions:
Micrografix Windows Draw Template
PTOCA Format Data
OfficePrinter Label Document
DesignCAD DCX Drawing
MicroSurvey CAD Drawing
Mighty Draw Drawing

Naturally, other applications may also use the .bk1 file extension. Even harmful programs can create .bk1 files. Be especially cautious with .bk1 files coming from an unknown source!

Can't open a .bk1 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 .bk1 file extension is often given incorrectly!

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

b1, bk, bkl, bkw, bl1, bm1, bo1, k1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

KeyCarbon Binary Keystroke Log
DataFlex Index
Magnavox Odyssey 1 Emulator Overlay Image
B1 Compressed Archive
FontEdit FontSet Image
VTrain Data File

Operating systems currently supports the following operating systems:

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

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