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Basic information about OSB file

When there is a problem with opening files with the file extension OSB（*.OSB or *.osb）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the OSB file yourself.

There are 1 file types using the OSB file extension in our database. In the further part of this page, you will find detail information about all the OSB file with their brief description and a list of programs that support OSB file sorted by operating systems. The table below provides useful information about the OSB file extension. It answers questions such as:
  • What is the OSB file?
  • How to open a OSB file?
  • What programs do I need to open a OSB file?
  • What programs help to create and edit a OSB file?
  • How to convert OSB files to another file format?
  • How to convert another files to OSB file format?


1.Detail information about OSB file extension: OpenStreetMap Binary Map File

File type OpenStreetMap Binary Map File Category GIS Files
Developer Merkaartor File format Binary
Description OSB file is a OpenStreetMap Binary Map File developed by Merkaartor. File used by Merkaartor, an OpenStreetMap (OSM) editor; saves the XML data from an .OSM file in a binary format; allows more compact file sizes and faster manipulation, but is more difficult to read, since it is not stored in plain text.
Software programs that will open, edit or convert OSB files

Windows		 Merkaartor

macOS		 Merkaartor

Linux		 Merkaartor



Can't open a OSB file?

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

”Can't open this file: example.OSB”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the OSB extension without any issue.


Where I can download the application that support OSB file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of OSB files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a OSB file?

The reasons for the lack of the ability to open a OSB file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a OSB file. If there is still something wrong, you might want to check:

  • Whether the OSB file is damaged.
  • Whether the OSB file is incorrectly linked in the registry entries.
  • Whether the OSB file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the OSB file format is incompletely.
  • Whether the OSB file is infected.
  • Whether the drivers of the equipment used for opening a OSB file are up to date.
  • Whether your computer has enough hardware resources to open a OSB file.

If the OSB file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.