lookup> .sdc

.SDC·File Extension

SDC Data & Text — A .sdc file is a SDC Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Data & Textapplication/vnd.stardivision.calc

Quick facts

Extension.sdc

File typeSDC Data & Text

MIME typeapplication/vnd.stardivision.calc

CategoryData & Text

Charset—

Compressible—

What is .sdc

What is a .sdc file?

A .sdc file is a SDC Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

In the mime-db registry it maps to application/vnd.stardivision.calc. When serving .sdc over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/vnd.stardivision.calc and is used by Tcl among others — and is delivered over HTTP via the Content-Type header.

How to open .sdc files

Use VS Code or Notepad++ to open and edit .sdc files.
Any text editor (Notepad, VS Code) can inspect the raw content as text.

Developer info

When served over HTTP, responses should set the following header:

Content-Type: application/vnd.stardivision.calc

Common software that reads/writes .sdc:

VS CodeNotepad++Sublime Textjq

Relation chain

.sdcextension of

format

SDC Data & Textserved as

mime type

application/vnd.stardivision.calcsent via header

http header

Related extensions

Related MIME types

application/vnd.stardivision.calc

.sdc

Related programming languages

Tcl

.tcl .adp .sdc

Common uses

Configuration files
Data interchange between systems
API request and response payloads
Logs and data exports

How to edit .sdc files

Open the file with VS Code, make your changes and save.
Most editors preserve the original formatting and encoding — avoid changing the charset.

How to create .sdc files

Create a new file and save it with the .sdc extension, or export this format from VS Code.

Frequently asked questions

What programs can open .sdc files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .sdc file?

Create a new file in any text editor or the app that owns the format and save it with the .sdc extension.

What is the relationship between .sdc and the application/vnd.stardivision.calc MIME type?

application/vnd.stardivision.calc is the media type identifier used for .sdc files during network transfer (for example in the HTTP Content-Type header).

Sources & standards

Updated 2026-08-18

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