While searching for an answer to the question - How to open the OBI 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 OBI file. Each program contains a different type of data and you need specialized software to properly work with the OBI file. Here is a list of programs that are designed to work with the OBI file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
| File type | Microsoft Outlook 2007/2010/2013 RSS Subscription Format |
| Developer | Microsoft |
| Popularity | |
| Share |
If after installing the program from a list, you still cannot open a file with the OBI extension, the reason may be that the file is damaged. The solution may be to find a new copy of the OBI 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 OBI 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 OBI 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 OBI file using the program installed earlier.
Entries containing links of the OBI 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 OBI file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the OBI file mentioned. If the antivirus application detects malicious data, it may signify that the OBI file is infected.
| OBML | Opera Mini Saved Web Page Format |
| OBAK | WinSQL Offline Backup |
| OBX | Rational XDE |
| OB | IBM LinkWay Object |
| OBZ | Compressed 3D Object Format |
| OBD | Microsoft Office Binder Document Format |
| OBI | Microsoft Outlook 2007/2010/2013 RSS Subscription Format |
| OBPACK | ObjectBar Theme Pack |
| OBW | Toontrack Superior Drummer Audio Format |
| OBV | 3D Photo Browser Thumbnail Cache |
