.NDB File Extension

ClamAV Extended Signature File

Developer Sourcefire
2.5  |  4 Votes

What is an NDB file?

File used by ClamAV, an open source antivirus program; contains a signature for a malware program in the following format:

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NDB files are used to create custom signatures for recognizing viruses and other harmful programs. They extend the virus definitions in .CVD files.

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Programs that open NDB files

Sourcefire ClamAV

MyDraw Binary Drawing

Developer Nevron Software
2.0  |  1 Vote

An NDB file may also be a drawing created by Nevron Software MyDraw, an application for creating various diagrams and technical illustrations. It stores text, shapes, lines, and other objects arranged together on a free-form canvas. NDB files are typically used for saving flowcharts, family trees, process diagrams, organizational charts, mind maps, data flow diagrams, and other types of drawings.

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Screenshot of a .ndb file in Nevron Software MyDraw 5
NDB file open in Nevron Software MyDraw 5

MyDraw utilizes the NDB Binary format and .NDX XML format for storing drawings. The formats allow you to edit drawings, close the files, then re-open the files for further editing.

You can create an NDB file with MyDraw by selecting File → Save As..., then choose the "MyDraw Binary Drawing" format. If you want to save the drawing in a different format, like the "MyDraw XML Drawing" format or the "MyDraw XML Drawing Template" format, choose another format from the dropdown menu.

How to open an NDB file

You can open NDB files with Nevron Software MyDraw in Windows and macOS by selecting File → Open.

How do I convert an NDB file?

After you finish modifying your drawing with MyDraw, you can convert it to various formats, including .VSDX, .JPEG, .PNG, .EMF, .SVG, .DXF, and .PDF. To convert an NDB file, select File → Export.

Programs that open NDB files


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