Opening a BDOC File

The BDOC file type is primarily associated with qDigiDoc.

BDOC	File extension: BDOC
	File type:	encrypted signature file

What is a BDOC file

BDOC files mostly belong to qDigiDoc by Riigi Infosüsteemi Amet. BDOC stands for Binary Document. BDOC file extension is a digital signature file format created using qDigiDoc software.

• Features: The BDOC format is based on the ETSI ASiC signature container standards. BDOC files contain all the signed files, signatures, and protocol control information necessary to properly integrate the two. These files are packed in the ZIP format and can be accessed with any compression tool capable of opening ZIP files. The file format enables the user to legally sign documents, along with the ability to encrypt accompanying text documents. The RFC 2560 standard-based time-marks used in BDOC files ensure signature remains authentic for a longer time.
• Support: BDOC can be opened using qDigiDoc software available on Microsoft Windows, Apple Mac OSX and various Linux distributions.

How to open BDOC files

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

Online BDOC Text Viewer

Choose your .bdoc file to analyze

or drag and drop it here

Online File Viewer

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BDOC format details:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). 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. So a detailed analysis of a file is vital in order to determine the format and the associated program. In the following you will find our evaluation of the BDOC files:

BDOC is not a common file extension and predominantly uses a uniform format. The file formats most commonly found in BDOC files are:

• 99% of all BDOC files use ZIP compression, i.e. a BDOC file contains several compressed files. Such a ZIP file contains 4 to 5 files with names like mimetype, \META-INF\manifest.xml and \META-INF\signatures1.xml. You can see the included files and images by renaming the file extension to .zip and then double-clicking it. A typical file size is 150 KB. The following keywords are characteristic: mimetypeapplication/vnd.etsi.asic-e+zipPK and META-INF/manifest.xml. Files like these are about certificate, completion, supplement, shcherbin, otsus, kandeavaldus, payment, tasu and vorm, and usually contain person-related data.

All the rest of the BDOC files (1%) have different formats. If you want to find out which format your BDOC file belongs to, just click on the button "Choose your .bdoc file to analyze".