Unable to get file type for certain file
102993
Get file type in .NET
154004
How do I fix invalid filename extension?
147618
file pattern name for content type
109773
Finding all "Non-Binary" files
145461
Is it possible to GET a list of Files in a document library with "extended properties"
113351
Finding files by only knowing extension?
28196
Globally associate file type with certain application
18651
How do I get a file extension in PHP?
116201
How can I detect if a file is binary (non-text) in Python?
20562
How do I change the MIME type for a file?
61639
recursive statistics on file types in directory?
136913
how to change "kind" of files in OSX mavericks?
42876
How do I Validate the File Type of a File Upload?
99946
How to access a file's properties on Windows?
68020
How do I check if a given string is a legal/valid file name under Windows?
66447
How can I get file extensions with JavaScript?
109444
Associate a File Type with a Specific Program