Windows Backup, new file not backing up

We use the built in Windows Backup on our SBS 2008.  I noticed a file is not showing up when I go to Restore from backup. The file is an excel spreadsheet on the root of c:\ on the server.  What do I need to do to get Windows Backup to include that file?  I thought since the c: drive is set to get backed up every night, any file I add to the c: drive would get backed up?
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Mr TorturSystem EngineerCommented:
are you sure this file is selected for backup and not excluded in Windows Backup ?

You could look at this it will help you about exclusions (just make a quick research on "exclusion") :
noxchoGlobal Support CoordinatorCommented:
Actually it must be included. Do you get any error that this file was not included? Have you tried by putting it to a C:\files directory? Check your backup job by editing it - and see that the file is in selection list.
wfcrrAuthor Commented:
I am not finding an exclusion.  All of c drive is selected to backup.  

Does it matter that this file was added 2 days ago and that it is replaced every day?  I thought that since the file had been added to C, and since C is set to back up everything on C, that any file I added to C would get included in overnight backup.
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wfcrrAuthor Commented:
Hi noxcho, I just saw your comment. How do I edit the backup job?  I went into Windows SBS Console, Backup tab, Add or removed backup items and I see the C and E drives selected for backup, but I don't see how to add a file individually.
noxchoGlobal Support CoordinatorCommented:
Does it show you only volumes to backup? Even in Add or Remove Backup Items? If not then try to create new backup jobs - let it run and see if you have this file in it. In 2008 the backup is a bit limited compared to 2008R2 and 2012.

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Mr TorturSystem EngineerCommented:
Does it matter that this file was added 2 days ago and that it is replaced every day?

If the file was present on c:\ during last backup it should have been backuped then.
wfcrrAuthor Commented:
I'll post again tomorrow, after backup runs tonite.
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