Often, bumping into the * .sig format, people wonder what it is. The second, immediately after the first, is the question: "How to open the sig extension?".
What is sig?
The sig extension ( English signature - signature) is a digital signature file format . Most often used in documentation sent via email. For a simple user, this format can be found once or twice, but in a commercial environment it is not uncommon.
Despite the scary name and perhaps not entirely clear explanation, sig is a text file, the same as txt or doc (docx). It contains information about the sender of the letter (usually the name of the company, the name of the sender, contacts, etc.), is edited by him (and therefore may also contain all sorts of quotes, advertising calls, and generally anything) and is attached to the letter automatically.
How to open * .sig extension?
Although most people associate mail with mail and gmail, those who regularly owe service to it constantly use special software systems - mail programs. They are multifunctional and, among other things, open sig extensions. How to open a letter with a similar extension from such software? The most popular services are:
- Microsoft Outlook - is included in the expanded set of office software package from Microsoft.
- Eudopa is a widespread email client in the West with only an English interface. The advantage is that it works with both Windows and Apple MacOS.
- Mozilla ThunderBird, Opera Mail - development of email programs from well-known browsers.
Which program for mail to choose is the topic for a new article. If you focus only on the criterion of "how to open a sig extension", any, even the simplest email client will do.
Other programs
To create digital signatures there is a program "CryptoARM" - with free and paid versions. Through it, * .sig files are opened and created. CryptoARM uses standard Windows cryptographic providers for encryption, so it is light and simple. Before the method described below, for a simple layman, the software has no advantages, but it will be of interest to beginner cryptographers.
If you do not want to install a new program
The good old Notepad comes to the rescue - with this program you can even open a picture if you wish (though its text encoding is unlikely to please anyone), to say nothing of a * .sig text file.
How to open anything for free? Notepad, of course! So the digital signature files through it are opened, created, and edited. In the last two cases, the main thing is not to forget when saving to enter the name of the corresponding extension after the file name.
In the end
Curious users, of course, are advised to look through Notepad what a * .sig file is, but in reality it is not as interesting as it might seem at first. This is an auxiliary file and does not carry information for the recipient of the letter.