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A "null" extension usually means that the file contains no data or is corrupted and/or was corrupted during the transmission of the file.
Windows cannot open this file because it does not know what the format is. There are a few software applications available to possibly convert the "null" to something readable, but those cost money and have only one purpose.
The best bet is to have the person who sent you that file resend it in another format ... possibly as a PDF as that seems to be a good universal application that most everyone can access.
What else can I help you with?
Cumpoter file how to open?
Depending on the format of the file, you often need a specialized program to open it. For example, to open a JPG (image) file, you need a program that can handle images, to open a Word document, you need Word (or other compatible programs), etc.You can often open the file by double-clicking on it (for example, in Windows Explorer); or you open the program that is supposed to use it, and give a command like "File | Open".Depending on the format of the file, you often need a specialized program to open it. For example, to open a JPG (image) file, you need a program that can handle images, to open a Word document, you need Word (or other compatible programs), etc.You can often open the file by double-clicking on it (for example, in Windows Explorer); or you open the program that is supposed to use it, and give a command like "File | Open".Depending on the format of the file, you often need a specialized program to open it. For example, to open a JPG (image) file, you need a program that can handle images, to open a Word document, you need Word (or other compatible programs), etc.You can often open the file by double-clicking on it (for example, in Windows Explorer); or you open the program that is supposed to use it, and give a command like "File | Open".Depending on the format of the file, you often need a specialized program to open it. For example, to open a JPG (image) file, you need a program that can handle images, to open a Word document, you need Word (or other compatible programs), etc.You can often open the file by double-clicking on it (for example, in Windows Explorer); or you open the program that is supposed to use it, and give a command like "File | Open".
How does one open a 3GP file?
The best way to open a 3GP file is to double click on the file and to let the computer decide what program to use to open it. If your computer cannot open the file, then you will need to download a program that can open this kind of file.
How do you open a djvu file?
In order to open a DJVU file, you will need to double click on the files icon. From there, your computer will locate a program that can open this type of file.
How do you open cfg extention file?
A .ctg file extension is a computer configuration file. You would need a special type of program or software to open or convert this type of file. To open a .cfg extension file, use a program called Free File Viewer.
What program do i need to open and EPR?
IBM's XFDL File Viewer
What program do you need to open the minecraft serverexe file?
Winrar or 7zip
How can you open a dxf?
DXF is an AutoCad program file and to open it you would need AutoCad program or search the net for'dxf file' and find a program to convert dxf to another common windows graphics format.
What does it means if the files don't have pictures. When you click it says Windows can not open this file?
If the files do not have pictures and Windows cannot open the file, you will need to download a program that is associated with the file. Some files, like PDFs, require a special program to open them.
How do you bring up a HTML document for a Windows Vista?
From a C-program?ShellExecute (NULL, "open", "C:\DIR\INDEX.HTML", NULL, NULL, SW_SHOW);
What might happen if you try to open a file that which was created with a program that is not installed on my computer?
If you try to open a file created with a program not installed on your computer, you may encounter an error stating that the file format is not supported. The file may not open properly or may show as corrupted. To open the file successfully, you'll need to install the program used to create it or use a compatible program that supports the file format.
What program can you use to open an abw file?
tinyword.com There, they provide the program needed to open an .ABW file.
How do you open a vtc file in a computer?
you need the program "reliasoft ALTA" or somthing similar.
