PRN.xlsx -- invalid filename

james_lankford

Well-known Member
Joined
Jan 11, 2009
Messages
1,223
PRN is a pharmacy abbreviation for "as needed"

List of abbreviations used in medical prescriptions - Wikipedia

so the med is not "every 4 hours" or "one before bedtime", but it is "as needed"

so I'm making a report of all prescriptions designated as PRN
and I'm trying to save the file as PRN.xlsx

and I get "the filename is reserved for use by windows"

so I saved it as PRNs.xlsx

so is this just some weird thing with my computer or is this a Windows / Excel thing
and if it is a windows / excel thing then why ?
 

Excel Facts

Back into an answer in Excel
Use Data, What-If Analysis, Goal Seek to find the correct input cell value to reach a desired result
List of reserved file names on Windows:
The following are (case insensitive) reserved names which cannot be assigned to a directory or file in Windows:
· CON
· PRN
· AUX
· NUL
· COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9
· LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9


List of invalid file characters on Windows:
The following are special characters which cannot be assigned to a directory or file in Windows:
· < (less than)
· > (greater than)
· : (colon)
· (double quote)
· / (forward slash)
· \ (backslash)
· | (vertical bar or pipe)
· ? (question mark)
· * (asterisk)

 
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