The File Extensions Database


.STC File Extension

  • Developer by: Adobe Systems
  • Category: Web Files

What is an .STC file?

.STC is Contribute Connection Key File

Connection file created by Contribute, an Adobe program used for website development and publishing; saves the remote host, the connection protocol (e.g., FTP, SFTP, etc.) and the username; enables users to reuse connection information and distribute it among website developers.

When you double-click an STC file, Contribute opens a connection to the remote server and shows the remote files.

Programs that open Contribute Connection Key File
Windows
Adobe Contribute 6.5
Mac
Adobe Contribute 6.5
File Type 2 Celestia Star Catalog File
Developer by: Celestia Development Team Category: Data Files Format: Text

Data file used by Celestia, a cross-platform application used to create 3D simulations of the universe; stores instructions for drawing stars in the universe; comprises part of the overall universe database when the program loads.

Celestia automatically load an STC file on startup if the file is in the correct location. Custom STC, .DSC, and .SSC catalog files must be located within the \extras-standard\ subdirectory of the Celestia installation.

Programs that open Celestia Star Catalog File
Windows
Celestia
Mac
Celestia
Linux
Celestia
File Type 3 StarOffice Calc Spreadsheet Template
Developer by: Oracle Category: Spreadsheet Files Format: Binary

Template for creating a new spreadsheet file; originally used by the older StarOffice software and still supported by the more recent Apache OpenOffice; created by the Calc program included with StarOffice.

Apache OpenOffice now uses the .OTS OpenDocument format for storing spreadsheet templates.

NOTE: Apache OpenOffice was formerly known as OpenOffice.org.

Programs that open StarOffice Calc Spreadsheet Template
Windows
Apache OpenOffice
LibreOffice
Mac
Apache OpenOffice
Planamesa NeoOffice
LibreOffice
Linux
Apache OpenOffice
LibreOffice
File Type 4 Shade to Manga Studio File
Developer by: CELSYS Category: 3D Image Files

3D model exported from a Shade 3D model to a format recognized by Manga Studio; created by the "Shade to Manga Studio" plug-in, which is included with Manga Studio EX; can be imported into comic books designed with Manga Studio.

STC files generally include models of characters used in comics. Manga Studio became Clip Studio Paint in 2015. It is also known as ComicStudio in Japan.

Programs that open Shade to Manga Studio File
Windows
CELSYS Clip Studio Paint Pro
Mac
CELSYS Clip Studio Paint Pro
File Type 5 Siemens Theme File
Developer by: Siemens Category: Settings Files Format: XML

Theme file used by Siemens mobile phones; stored within a .SDT global theme file and contains XML markup that specifies how the theme looks and what sounds to play; can be viewed with any text editor.

Programs that open Siemens Theme File
Windows
Microsoft Notepad

How to solve problems with STC files

  • Associate the STC file extension with the correct application. On :
    Windows: Right click on any STC file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.STC files". Mac: Right click (or Ctrl-click) the STC 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 .STC is Contribute Connection Key File. Because only the current version supports the latest STC file format. Search, therefore, e.g. on the Adobe Systems manufacturer website after an available .STC is Contribute Connection Key File update.
  • To make sure that your STC file is not corrupted or virus-infected, get the file again and scan it with antivirus software.