Change a file type's kind?
136913
how to change "kind" of files in OSX mavericks?
20629
How do I find the mime-type of a file with php?
4329
How can I get a overview and manage the default applications for file types?
142242
Limit file format when using ?
46373
Changing Vim indentation behavior by file type
102993
Get file type in .NET
34202
Change description of file types associated with Notepad++
3432
Is there a utility to replace one block type with another within a region?
106046
How do I programmatically change file permissions?
29943
how can I change file association globally?
146287
Manually change filetype icons in Windows 7
31679
Remove association with blank file extension?
16358
How do I change the extension of multiple files?
97944
Javascript - Change html tag type
15817
How to make a particular app the default viewer / editor for ALL its supported file types at once?
72173
In QGIS what data file formats (etc) can be directly edited?
106345
How to change file encoding in NetBeans?