Use URI
scheme:[//[user[:password]@]host[:port]][/path][?query][#fragment]
Proper Syntax
For the UNC Windows file path
\laptop\My Documents\FileSchemeURIs.doc
The corresponding valid file URI in Windows is the following:
file://laptop/My%20Documents/FileSchemeURIs.doc
link
Unix
Here are two Unix examples pointing to the same /etc/fstab file:
file://localhost/etc/fstab
file:///etc/fstab
Windows
Here are some examples which may be accepted by some applications on Windows systems, referring to the same, local file c:\WINDOWS\clock.avi
file://localhost/c:/WINDOWS/clock.avi
file:///c:/WINDOWS/clock.avi
link
Você pode usar alguns scripts como este para converter as barras invertidas ou editá-las manualmente