outlook.pst file back up message - can not handle this type of fil

[Ronaldo]

I am trying to back up my outlook Archive.PST file on to a removable storage
media. While backing up I am getting a message 'can not handle this type of
file'. I had backed .PST file before but now I can not because I am getting
this message.

Please help. Thanks.

 

[Gordon]

I am trying to back up my outlook Archive.PST file on to a removable
storage
media. While backing up I am getting a message 'can not handle this type
of
file'. I had backed .PST file before but now I can not because I am
getting
this message.

Please help. Thanks.

And how are you making this "backup"?