File Extension SIG
File extension SIG denotes a signature file, and are commonly used in conjunction with popular E-Mail clients such as Microsoft Outlook or QUALCOMM Eudora Pro. SIG files are also used by encryption programs such as Pretty Good Privacy (PGP), and are used to verify the origin of an E-Mail. Though less common, the SIG file extension is also a proprietary image format used by Broderbund graphics software.
The majority of SIG files are small, text files that are either embedded within an E-Mail, or sent as an attachment. They are typically used to store information that a user would wish to send with every E-Mail, such as name, E-Mail address or a favourite quote. E-Mails sent from businesses may also include the company name, address or job title of the sender. Most E-Mail clients can support multiple SIG files, allowing the user can specify which signature(s) to attach when composing an E-Mail.
SIG files are also used in conjunction with encryption software such as PGP. These applications generate a hash from the text of the E-Mail along with a digital signature from this hash using the sender's private key. This will then be typically attached to the E-Mail as a SIG attachment, or as plaintext at the bottom of the E-Mail. This signature can be used by the recipient with the same software and the sender's public key to verify that the E-Mail has not been altered since it was sent and that it actually came from the specified sender.
SIG signature files can be opened using appropriate E-Mail clients such as Microsoft Outlook, Outlook Express or QUALCOMM Eudora Pro. SIG files are also used by privacy and security software to check the integrity and origin of E-Mails, and so can be used by a recipient to confirm these details. SIG image files can be opened using appropriate versions of Broderbund software such as PrintMaster or The Print Shop.
Populating this website with information and maintaining it is an ongoing process. We always welcome feedback and questions that can be submitted by visiting Contact Us page. However since there are many users visiting this website and because our team is quite small we may not be able to follow up personally on every request. Thank you for your understanding.
For more general information about SIG files, file extension sig and registry you can read one of the following articles:
- Windows registry - Windows registry is included in modern Windows operating systems to replace the older INI files which also contained system configuration. Let's concentrate on the structure and purpose of Windows System Registry, review some possible attacks to it and ways to avoid them...
- Folders, files and paths - Files are the entries or information stored on your computer. These are represented by binary coding and written on the tracks on a disk. Files are often represented by distinct icons, a normal practice done by Microsoft with their products including system files for their series of operating systems...
- What are file extensions? - File extensions are unnoticed yet are very crucial parts of the computer world. But many are still unaware of the basic foundation and principles behind the remarkable wonders of computers...