The File Extensions Database

.DT2 File Extension

  • Developer by: Microsoft
  • Category: Raster Image Files
  • Format: Binary

What is an .DT2 file?

.DT2 is Windows Live Messenger Emoticon Image File

Image file used by Windows Live Messenger, a program used for online chatting; contains an emoticon image in .GIF or .PNG format; used for inserting emoticons into online chat windows; may be renamed with a ".gif" or ".png" extension and opened in an image viewer.

In Windows XP, DT2 files typically are stored in the following user subdirectory:"\Application Data\Microsoft\Messenger\[LiveID]\ObjectStore\CustomEmoticons".

In Windows Vista, they typically are stored in the following user subdirectory:"\AppData\Microsoft\Messenger\[LiveID]\ObjectStore\CustomEmoticons".

DT2 files are used in combination with .ID2 files to enable the use of emoticons in Windows Live Messenger.

NOTE: Windows Live Messenger was discontinued in 2013 and has moved to Skype.

File Type 2 DTED Level 2 File
Developer by: National Geospatial-Intelligence Agency Category: GIS Files Format: Binary

Digital Terrain Elevation Data (DTED) Level 2 file used by GIS programs for displaying terrain elevation data; contains a uniformly-spaced grid of elevation points; used commonly in military systems that require terrain slope, elevation, and surface contour information.

DTED Level 0 .DT0 and Level 1 .DT1 files also capture terrain elevation data. Level 2 files have the highest resolution data, and Level 0 files have the lowest resolution. Level 2 data contain spacing of one arc second, or approximately 30 meters.

Programs that open DTED Level 2 File
Safe Software FME Desktop
ESRI ArcGIS for Desktop
Pitney Bowes MapInfo
Blue Marble Geographics Global Mapper
TatukGIS Viewer

How to solve problems with DT2 files

  • Associate the DT2 file extension with the correct application. On :
    Windows: Right click on any DT2 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.DT2 files". Mac: Right click (or Ctrl-click) the DT2 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .DT2 is Windows Live Messenger Emoticon Image File. Because only the current version supports the latest DT2 file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .DT2 is Windows Live Messenger Emoticon Image File update.
  • To make sure that your DT2 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.