A daily updated filename extension database!

SDN file extension

The table below provides useful information about the .sdn file extension. It answers questions such as:

  • What is the .sdn file?
  • What program do I need to open a .sdn file?
  • How can the .sdn file be opened, edited or printed?
  • How can I convert .sdn files to another format?
  • Where can I find the specifications for .sdn?
  • Which MIME-type is associated with the .sdn extension?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 1 alias(es) found in database

.sdn file extension details

Shareware Distributors Network

Shareware Distributors Network .sdn file icon
SDN file is a Shareware Distributors Network. SDN was the first truly organized distribution service for shareware authors to hobby and commercial networks.
SDN format description not yet available
Category: Archive files
Application: SDN
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SDN aliases:
SDN related links:
SDN related extensions:
.sdnf file extension details

Steel Detail Neutral File

Steel Detail Neutral File .sdnf file icon
SDNF file is a Steel Detail Neutral File. SDNF (Steel Detail Neutral File) is an ASCII based universal format which can translate industry-standard steel members (such as AISC W Sections or DIN IPE) and simple plates.
SDNF format description not yet available
Category: Document files
Application: Tekla Structures
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SDNF aliases:
SDNF related links:
SDNF related extensions:

Other types of files may also use the .sdn file extension.

.sdn file extension error

The .sdn file extension is often given incorrectly!

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

cdn, wdn, ssn, snd, sfn, sdm, sdb, scn, dsn, svn, srn, sn, sen, sdh, sd

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OpenOffice.org Configuration File
Click'n Design 3D CD Label Document
Vim Swap Data
OpenOffice Base Database
HPS Ancient Warfare Scenario Data
Samsung S Note File
ODBC Data Source Name
Scifer Internal Header Archive
SurveyPro SDH Data
open .sdn file

Can't open a .sdn 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sdn file association, check the FAQ.

.sdn file extension

Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sdn file extension, write to us!

.sdn file extension

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