Opening BKY Files

The BKY file type is primarily associated with MIT App Inventor.

BKY	File extension: BKY
	File type:	XML source file

What is a BKY file?

BKY files mostly belong to MIT App Inventor. BKY files are used as project files in the MIT App Inventor environment. These files store visual programming blocks in an XML format, defining the logical structure of an app.
Usage and Details:

The file stores block-based code elements using an XML structure.

You can load these files into MIT App Inventor to view and edit the visual code blocks.

The XML format also allows you to inspect the raw code with a text editor, though caution is needed to preserve its structure.

Some BKY files are also used as backup files by LicensePro, where they help to store backup data such as licensing or configuration details.
FilExt.com tip: For more details about the MIT App Inventor approach, please visit MIT App Inventor.

How can I open a BKY file?

You need a suitable software like MIT App Inventor to open a BKY 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 BKY file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a BKY file directly in the browser:. Just drag the file onto this browser window and drop it.

Online BKY Text Viewer

Choose your .bky file to view

or drag and drop it here

Online File Viewer

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How to extract texts from BKY files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from BKY file or capture a preview screenshot using our online BKY file viewer:

Just click the "Choose your .bky file to view" button on this page.
Your BKY file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert BKY files:

MIT App Inventor
See the previous paragraphs to learn more about the main application. BKY files are often referred to as MIT App Inventor developers because this type of file is primarily created or used by this software.
bookkey (Bookmark/Keyword Data) by Michael Valentiner-Branth
With bookkey you organise and access your bookmarks using keywords.

BKY file format:

If you can determine the file format, the associated program can also be determined. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. When there is a problem with a file, the first step to solving it is to determine the file format. Our examination of the BKY files comes to the following conclusion:

BKY is not that commonly used as a file extension. This file type mainly uses a defined BKY format. The two most common formats are as follows:

85% of all BKY files are App Inventor Blocks XML files, which are using the popular XML file format. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. If you open these files in a text editor, you can view and read the content yourself. A typical file size is 15 KB. The file type was developed only in the last few years. Certain words are almost always found in the files, such as <xml xmlns="http://www.w3.org/1999/xhtml">, false, value, mutation component_type, <block type="component_event", instance_name, is_generic, NAME, field and field name. Some examples of file names are Screen1.bky.
5% of all BKY files start with the bytes B9 86 B1 7D 23 A4 CA 4E B9 86 B1 7D B9 86, which are crucial for this file format. These files contain neither text nor words, but only data. The files are on average 1 KB in size and range from 880 bytes to 1 KB. A usual file name is LicensePro.bky.

All the rest of the BKY files (10%) have different formats. If you want to find out which format your BKY file belongs to, just click on the button "Choose your .bky file to view".

Technical Data for BKY File Extension

File classification:

Developer

Related files:

aia, lic, scm, yail, key, zip, txt, properties, xml, bak

Mime type:

text/xml

a bky XML source file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with BKY files

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