Files with 509 extension are associated with internet security of your server, web sites etc.

Detailed description

Software that open 509 file

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509 file extension - Internet security certificate

What is 509 file? How to open 509 files?

File type specification:

Internet related file type icon Internet related file type

509 file icon: 509 filetype icon

The 509 file extension is used to secure your server, web site transactions, logins, webmail and connections with an SSL Certificate. Choose GlobalSign SSL Certificates for the highest levels of strong security, confidence and trust in your web site, corporate assets and online brand.

Mime: application/x-x509-ca-cert

Updated: April 17, 2024

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .509 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .509 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open 509 file, edit 509 file, convert 509 file, view 509 file, play 509 file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with 509 file - Internet security certificate

Click on the software link for more information about Opera browser. Opera browser uses 509 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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