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File Extensions

What are file extensions and how to deal with them when your files wont open.

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Open CWK File Extension

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I am trying to open a .cwk file from a flash drive on Windows 7. I've downloaded this program and then went on to change the settings to open with Adobe and it is still not working. Please advise if you have another solution. Susan Keenan

It sounds as though you have obtained a third party conversion program to open the file. Follow the suggestions in the first option first. It is listed after the explanation of .cwk files. If none of them work, you can always try one of the other suggestions to open your .cwk files.

What is file extension .cwk?

Files with extension .cwk are usually data files created with AppleWorks Productivity Suite, a Macintosh program or ClarisWorks, another Macintosh program. Both of these applications are available in Windows versions. A .cwk file can be a spreadsheet, word processing document, presentation, or drawing.

Troubleshooting Methods to Open CWK Files

If the application that you downloaded gave you the option to open the .cwk file with Adobe, then one of two things is most likely the problem. First, the file cannot be opened with the Adobe program, or second, you need to update your Adobe application. It is possible that the program you have is intended to allow you to view the .cwk file, but until you figure out what is wrong, it won't be able to. Try these suggestions:

  • Update your Adobe application.
  • Reinstall the program that you downloaded for this purpose.
  • Try a different option for opening the .cwk file from the options given.
  • Uninstall the program and download a different one.

How to Open CWK Files: Third Party Converters

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If you download and install a third party conversion program such as "Conversions Plus" or "DocXConverter," you should be able to open .cwk files easily. There are also a number of conversion programs that offer a free trial period. Simply conduct a search and choose the third party conversion program that meets your needs.

How to Open CWK Files: Convert the File

You can open the .cwk file, select "Save As" and then convert the file extension to .rtf or .doc extension. Save the file and close it. Now open the file in Word. This should allow you to open the .cwk file on the Windows computer.

Your other option is to open it in Microsoft Word and follow this path:

Select File> Open and then select "all files or recover text from any file" in the "files of type" drop down menu. You will lose any formatting if you try this solution, but the text will be there.

How to Open CWK Files: Apple Software

If you have either AppleWorks Productivity Suite or ClarisWorks in a Windows version, you should be able to open the file using the program.

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Playing Songs on Computer

I had a couple of songs sent to me by e-mail. They won't play as it says Windows needs to know what program created it. It was taken from a disc and downloaded then sent to me. I would appreciate any help you can give.Celeste Stewart

Detecting the File Type

It sounds as though Windows is not recognizing the file as a music file and therefore doesn't know what to do with the song. The first thing we need to do is figure out what file type the song is. Go ahead and save the song to your hard drive by right-clicking it and choosing Save As. Place it in a folder that you can easily remember such as My Documents or My Music. Now, navigate to the saved file using Windows Explorer (right-click Start and choose Explore) and then right-click the file you just saved. Choose Properties in the menu that appears. Under the General Tab, you'll see "Type of File" which will tell you what type of file it is such as Windows Media Audio file (.wma) or some other file type.

Once you know the file type, you can do a quick Internet search to find out which media players open that file type. For example, if it's a Windows Media Audio file (.wma), then Windows Media Player should be able to open it. If it's a more exotic file type requiring a specific program, you may need to download a different, compatible media player to your computer.

Associating the File with a Media Player

Once you know the file type and the media player that is capable of opening it, you can then go back to the file, right-click it, and choose Properties once again. From there, under the General tab you'll choose Opens With > Change. Clicking the Change button allows you to browse for the correct media player program and set it as the program for opening that particular file. If you want the media player to always open files of the same type, there's an option available for making that program the default for that particular file type.

Playing the File in a Media Player

Once the file has been associated with the media player, you should be able to double-click the file and it should automatically play in its associated media player.

Copyright Protected Songs

However, since the song was copied from a CD, it is possible that the record company encrypted it as part of its copyright protection routine. If so, you may be out of luck, even if the file type is common.

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Video BUP File Extension

I tried to open an original DVD video disc with DVD@ccess (this program is part of a DVD I tried to play). It is a BUP file. Have I (and why) to buy extra program to use it?Kate Dubensky

DVD related files that have BUP extensions are backup IFO files that contain details and information about the DVD. Neither IFO nor BUP files are encrypted, though typically BUP files are only accessed if the IFO file is corrupted or otherwise damaged.

DVD IFO files - or Video Disc Information Files - are used to store data and details about the DVD contents, including headers that tell the DVD player how and when to display different screens at startup and where the different chapters stop and start. IFO files also contain details about audio tracks and their coordination with the video data. IFO and backup BUP files only contain information, not actual video or audio data. The data is stored on related VOB and VRO files.

You don't need to buy an additional program to open BUP files, but you might need to download a more sophisticated video player program, if the one you are using can't open the file. VLC is a popular free downloadable video player that is notorious for being able to open almost every video-related file type.

DVD@ccess is a program designed by Apple to add enhanced playback features to video discs. DVD@access was originally designed for use with Apple's DVD Studio Pro. If this is the program you are using, you should be able to use its Help pages to access more specific instructions about your DVD and its functions. You can also load the DVD@ccess function on a PC and work there, but you might need to get additional software for this.

If you want to open BUP or IFO files on a DVD to add functions, as is supported by the DVD Studio Pro and DVD@ccess function, you can use this link to visit the Mac support page for creating and embedding links.

To summarize, BUP files store backup data information about DVD files - but DVD@access allows you to alter and add information into these files. To simply view the BUP files, a video player like VLC should suffice. To alter and add information, you will need to install and use DVD Studio Pro.

I hope this helps!

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Open FRM File

I am trying to open a file with an .frm extension and cannot. Please help. It is an important document.Celeste Stewart

The FRM File Extension

The .frm file extension is used by several different applications. This makes it difficult to know exactly what you will need in order to open it. For example, some .frm files are "form" files while others are report files generated by DataCAD or dBASE IV.

Another type of .frm file involves a database file created by CT Summation's iBlaze. CT Summation iBlaze is a litigation summation program. To add to the confusion, .frm files are also associated with ADL Software ADL Form, a product designed for the Australian real estate industry for creating, storing, and printing realty contracts.

In addition, .frm files are also associated with Visual Basic as a text form, MySQL as a database file.

Opening FRM Files

With so many possibilities, there's no "one size fits all" answer. Since you said it's an important file, you probably know the basic type, right? For example, if you know it's a contract for a house you are buying or selling, then the .frm file is likely an ADL form. On the other hand, if you're involved in a legal case, then the file is probably a CT Summation iBlaze file. Depending on the .frm file type, you'll need the correct software for opening it.

Working with FRM Files

Buying a copy of software may be cost prohibitive though. For example, if your real estate agent emailed you a contract as an .frm file, you shouldn't have to invest in a yearly subscription to ADL Forms at a cost of several hundred dollars! In this example, you could ask the agent to send the contract as an easy-to-open PDF file (the ADL Forms software has that option).

You may need to coordinate with the person who created the .frm file to find the best solution.

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Open adbook File

How do I open and save a file with the extension .adbook? It says it is an ADBOOK file.Kate Dubensky

Finding the program that created your file

There are several possibilities when it comes to trying to determine the program that created your ADBOOK file. Off the bat, the majority of the programs and file types I found associated with ADBOOK give that name to the file but apply a different extension, such as ADBOOK.EXE, which implies that the file is an executable file for a program called Adbook. In your case, I was unable to find a program that saves files with an .ADBOOK extension, but we can assume that it is related to a program of a similar name.

Beware of opening unknown files

Since it was hard to find information about this file type, you should take care in opening it on your system. It is typically not a good idea to open an unknown file in case it contains a virus or other form of malware that could wreak havoc on your computer. If you received this file as an email attachment, I would be very careful about attempting to retrieve its contents. You could first reply to the sender and ask what the file is, what program created it and what it contains to make sure that it is safe.

Search your All Programs list

If you still want to try to open the file, you will need to know the program that created it. You can search your computer's programs by clicking the Start button and then choosing All Programs. You can search this list for similar program names. Most of the results that I found are related to address book applications, so you could try those first. If you have a program that you think is associated with the file, but are unable to open it, you can try uninstalling and reinstalling the program to make sure that it is working properly and is not corrupted.

Try using a generic program

If you aren't able to find any more information about your file, you can also try to open it with a multitasking program like a text editor. You will likely lose the associated formatting, but might be able to see some of the file contents this way. Usually it is possible to locate information about a file type using online file extension databases, but in this case the .ADBOOK extension doesn't show up. I hope you have success in accessing your file. Good luck!

Comments [1]

LAN File Extension

Could you advise what program I need to open a .lan file, please?Susan Keenan

The program you use to open a .lan file depends on the program that was used to create it. Ideally, you have the correct program installed on your computer since you have the file. If not, then you will not be able to open the file until you install it.

What Are .LAN Files Designed to Do?

LAN files are considered loadable modules that are designed to perform a task rather than to hold data for reading. Typically, these modules load automatically although they can be manually loaded. In some cases, the module or LAN file disappears once it is used. LAN files are often associated with software designed to work along with Linux operating systems.

What Program Use and Open LAN Files?

Lan files are associated with several different programs. Information is not readily available on all types of .lan files, but I can offer you the information that I have.

Some LAN files are used with the "ERDAS IMAGINE" application, created by Leica Geosystems. The .lan file extension is created through the use of software tools used with this application to process imagery such as bitmap images. If you have the "ERDAS IMAGINE" application, you can use it to open files containing the .lan extension.

Novel NetWare LAN drivers also use LAN files to load. You need to have Novel NetWare installed in order to access the file.

Some .lan files are language files associated with DSJ3 Language applications and those programs must be installed so you can access the .lan file.

Other applications might also make use of .lan files. As long as you have the proper application installed, you should be able to access the file so that it can perform its intended task. However, these files are not actually designed for the average computer user to actually read, but rather they have been designed to perform a task.

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