The file extension DAT,
or Data files, is used
to store data. This type
of file extension is
used by numerous
applications.
File extension DAT
almost always represents
a data file of some
type. File extension DAT
can contain just about
any type of data from
text and graphics to
binary data. Since so
many different
applications use them,
DAT files come in
different types of
structures. A DAT file
created in one program
won’t necessarily be
able to be opened with
another one.
Occasionally, the PC's
operating system doesn't
know how to deal with
.DAT files. When this
occurs, clicking on the
file extension DAT file
in Windows Explorer may
launch the wrong
application. This almost
always means that the .dat
file association has
gone missing.
File associations become
unlinked for numerous
reasons ranging from
file corruption,
unexpected shutdowns,
and power surges to
damage done by malicious
software (malware)
including viruses and
spyware.
You can reset lost file
associations manually if
you want. Just
right-click the file
extension DAT that you
wish to link with an
application. Next, a
small menu displays.
Choose "Open with" from
this menu. Now, scroll
through the list of
displayed programs until
you find the desired
existing program.
Search for the check box
towards the bottom of
the dialog box that
says, "Always use the
selected program to open
this type of file." If
you want this specific
application to always
open the file extension
DAT, place a check mark
in the box.
Corruption can happen to
numerous types of files
including file extension
dat. When .dat files
become damaged, they
generally can't be used.
A problem with file
extension dat can also
cause the application
that opens the file to
crash too. Further
crashes can cause even
more file corruption
within the computer.
Corrupt files create an
endless cycle of damage
- with each new crash,
further corruption
occurs.
Since DAT files contain
data, it’s important to
back them up regularly.
You can use enter *.dat
in the Search box in
Windows Explorer to
easily find all .dat
files on your computer
or within a specific
folder for easy backup.
Should something ever go
wrong, you’ll rest easy
knowing that you have
backups of all of your .dat
files.
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