Trouble opening Windows files? Fix file extension errors with this scan.

Have a question about file extensions or the FileInfo.com website?

Browse the frequently asked questions (FAQ) below to find your answer.

File Extensions:

1. What is a file extension?
2. Can I change a file's extension?
3. Can more than one program use the same file extension?
4. How do I show or hide file extensions in Windows?
5. How can I change what program opens a certain file in Windows?
6. How do I show or hide file extensions on a Mac?
7. How can I change what program opens a certain file on a Mac?
8. How do I open a file with no extension on my Mac?
9. Why does the same file type use both three and four letter extensions?
10. Is it possible to legally register a file extension?

General File Related Questions:

1. What are temporary files and how do I delete them?
2. How do I delete Temporary Internet Files in Windows?
3. Why is the Thumb.db file created in Windows?
4. What are the new formats introduced in Microsoft Office 2007?
5. What are RAW image files and some of the RAW image file formats?
6. Why are Winmail.dat files attached to certain e-mail messages?
7. What is the purpose of the VIDEO_TS folder on a DVD?
8. What are read-only files and what are they used for?
9. How come I can play some AVI files, but not others?
10. What audio file format is used for CD audio files?

Mac / Windows Compatibility:

1. Can I run Windows programs on a Mac?
2. Are Macintosh and Windows fonts compatible?

Programs for Opening Files:

1. Text Editors
2. Image Viewers
3. Audio Players
4. Video Players
5. Web Browsers

FileInfo.com:

1. How do I bookmark FileInfo.com?
2. How do I link to FileInfo.com?
3. How do I add a File Extensions Search Box to my website?
4. Does FileInfo.com offer a Search Plugin for Mozilla Firefox?
5. Is there a File Extensions Dashboard Widget available for the Mac?
6. What is the Popularity ranking?

Have other questions? Contact FileInfo.com.