A daily updated filename extension database!

SDE file extension

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

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

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

1 extension(s) and 0 alias(es) found in database

.sde file extension details

ArcSDE Connection File

ArcSDE Connection File .sde file icon
SDE file is an ArcSDE Connection File. ArcSDE (Spatial Database Engine) technology is a core component of ArcGIS for Server. It manages spatial data in a relational database management system (RDBMS) and enables it to be accessed by ArcGIS clients.
Application: ArcGIS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SDE aliases:
SDE related links:
SDE related extensions:

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

.sde file extension error

The .sde file extension is often given incorrectly!

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

sds, sse, cde, sfe, sed, sdw, sdr, sdd, sd, sxe, ede, sve, de, sre, see

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MIDI Sample Dump Standard
Cadcorp SIS Shared Dataset
CADKEY Dynamic Extension
StarOffice Writer Document
Iconics GraphWorx32 Symbol Library
SendaWin Etiquetas Label
Sound Designer Audio
Windows CE Embedded Rom Image
DrawExpress Diagram Document
Shuttle Source
open .sde file

Can't open a .sde 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 .sde file association, check the FAQ.

.sde 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 .sde file extension, write to us!

.sde file extension

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