What is the DER file?
The DER file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the DER Certificate Format format. DER files are supported by Linux, Mac OS, Windows operating systems. The DER file is one of the Web Files files, just like 303 of the other files found in our file information database.
A program that can open the DER file is e.g. Safari. This software was released by Apple, Inc.. However, you can also use other applications, e.g. Opera, Mozilla Firefox, Microsoft Internet Explorer.
MIME Types
- application/x-x509-ca-cert
- application/pkix-cert
Programs, that can open .DER files
Microsoft Corporation
Microsoft Internet Explorer
|
Windows |
Mozilla
Mozilla Firefox
|
Cross-platform |
| Windows |
Apple, Inc.
Safari
|
Mac OS |
|
Mozilla
Mozilla Firefox
|
Cross-platform |
|
Mozilla
Mozilla Firefox
|
Cross-platform |
How to open a .DER file?
If you have problems opening the file DER, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the DER file format with the installed program. If not, right click on your DER file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all DER files should automatically open with the selected program.
