lookup> .spc

.SPC·File Extension

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

Data & Textapplication/x-pkcs7-certificates

Quick facts

Extension.spc

File typeSPC Data & Text

MIME typeapplication/x-pkcs7-certificates

CategoryData & Text

Charset—

Compressible—

What is .spc

What is a .spc file?

A .spc file is a SPC 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/x-pkcs7-certificates. When serving .spc over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/x-pkcs7-certificates and is used by PLSQL among others — and is delivered over HTTP via the Content-Type header.

How to open .spc files

Use VS Code or Notepad++ to open and edit .spc 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/x-pkcs7-certificates

Common software that reads/writes .spc:

VS CodeNotepad++Sublime Textjq

Relation chain

.spcextension of

format

SPC Data & Textserved as

mime type

application/x-pkcs7-certificatessent via header

http header

Related extensions

Related MIME types

application/x-pkcs7-certificates

.p7b .spc

Related programming languages

PLSQL

.pls .bdy .ddl

Common uses

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

How to edit .spc 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 .spc files

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

Frequently asked questions

What programs can open .spc 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 .spc file?

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

What is the relationship between .spc and the application/x-pkcs7-certificates MIME type?

application/x-pkcs7-certificates is the media type identifier used for .spc files during network transfer (for example in the HTTP Content-Type header).

Sources & standards

Updated 2026-08-18

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