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Microsoft KB Archive/170798

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Knowledge Base

Article ID: 170798

Article Last Modified on 5/24/2007


  • Microsoft Outlook 97 Standard Edition

This article was previously published under Q170798

WARNING: The information in this article has not been confirmed or tested by Microsoft. Some or all of the information in this article has been taken from unconfirmed customer reports. ANY USE BY YOU OF THE INFORMATION PROVIDED IN THIS ARTICLE IS AT YOUR OWN RISK. Microsoft provides this information "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.


When saving an attachment file in Microsoft Outlook, you may receive the following error message:

Can't create file: <Long File Named File -- ONLY LFN> Right-click the folder you want to create the file in, and then click Properties on the Shortcut menu to check your permissions for the folder.


The attachment file has a long file name and the volume, or hard disk on which you have your Temp folder does not support long file names. Even if the attachment does not appear to have a long file name, this problem can occur if you have previously opened a file with the same name. This creates a sequence of files in your Temp folder, each incremented with a higher number at the end of the file name. For example, if you repeatedly open a file named mysheet.xls, in your Temp folder you may see Mysheet.xls, Mysheet1.xls, Mysheet2.xls, and so on. When you open the same named file attachment for 10th time, the number of files in your Temp folder reaches Mysheet19.xls. Because this has 9 digits in the file name it is a long file name, and your volume may not support this.


To resolve this problem, either move your Temp folder to a volume that supports long file names or, if your issue is caused by repeatedly opening the same file, delete the sequence of files from your Temp folder, and attempt to open the file attachment again.


During the save process, Outlook creates a temporary file of the attachment in your Temp folder. This file will have a name at least as long as the attachment name so the Temp folder must support long file names.

Keywords: kbprb KB170798