The .CSR refers to file of the type, Certificate Signing Request. These are certificate files on the internet used for trusted signing and HTTPS secured browsing experience. These web certificates are used to verify the identity of the web page provider.
The CSR files can be created, distributed and used by Certification providers who certify the webmasters on the internet. CSRs are also often used with SSL authentication and can store a lot of information regarding the organization in their file format. The CSR files support private key cryptography. Thus these are used as digital signatures of the web provider on the internet.
| File type | Certificate Signing Request Format |
| Developer | Lack of information |
| Popularity | |
| Share |
While searching for an answer to the question - How to open the CSR file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the CSR file. Each program contains a different type of data and you need specialized software to properly work with the CSR file. Here is a list of programs that are designed to work with the CSR file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
If after installing the program from a list, you still cannot open a file with the CSR extension, the reason may be that the file is damaged. The solution may be to find a new copy of the CSR file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the CSR file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your CSR file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the CSR file using the program installed earlier.
Entries containing links of the CSR file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the CSR file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the CSR file mentioned. If the antivirus application detects malicious data, it may signify that the CSR file is infected.
| CSZ | The Core Media Player Skin |
| CSHRC | UNIX Command |
| CSE | Web Research Document Package |
| CSL | CineStyle Color Settings Format |
| CSVIEW | Microsoft Visual Studio Views |
| CSS | Cascading Style Sheets Format |
| CS8 | Unix Graphics Format |
| CSB | Corel PHOTO-PAINT Script |
| CSHTML | ASP.Net Web Page |
| CSK | Claris Works |
