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WinFlash Source File Formats

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WinFlash primary source data is comprised of two files, both with the same root name. One file has an extension of .FLU and the other the extension .FLD. The .FLU file is in a binary format somewhat like Microsoft Word .doc files and contains the Q&A pairs along with the information pointing to all of the associated files, hints, comments, etc.


The companion .FLD file is constructed and maintained by WinFlash in Windows .INI file format and contains the option settings that are file-specific and the history and status of your performance on each of the Q&A pairs.  When Multi-user mode is selected, separate .FLD files are associated with the source file for EACH user.  See Options|Q&A Modes for information on this option.


Note: Earlier versions of WinFlash used a text-only format file (.FLS) for the Q&A pair data, precluding the inclusion of multiple fonts and font effects as is supported by the current .FLU format. WinFlash continues to support this file format for backwards compatibility, but it is not recommended to create new files in this format. Existing .FLS-format files should be converted to the .FLU format if they are to be used on an ongoing basis.

It is not generally advisable to directly edit the .FLD file, but if the .FLD file is somehow damaged, WinFlash may open this file in NotePad for you when it is attempting to load the .FLU file.  In some cases, you may be able to see the problem, correct it with NotePad, close NotePad and proceed.  If not, the entire .FLD file can be deleted  with no other ill effect than losing the history information related to the file and the file-specific option settings.  WinFlash will create a new .FLD file the next time that the .FLS file is opened, complete with the default value of the various option settings.


Note: Deleting the .FLD file will reset all Q&A pair's Leitner Box levels to Box 1 and all Frequency Based On History levels to Unlearned.


WinFlash source file sets may ALSO contain similarly-named support files with extensions .INT, .JPG, .RTF, .MP3 and .WAV.  .INT and .RTF file types are standard Windows Rich Text Format files, the second a standard graphics file format and the last two are common audio file formats.  If the .FLU file is named MyFile.FLU, the associated Introduction file will be named MyFile.INT.  Associated .RTF files (these files provide additional rich-text capabilities to individual Questions and Answers) will be of the form MyFileQn.RTF and MyFileAn.RTF where "n" is the number of the Q&A pair that the files support. The Notes file will be named MyFileNotes.RTF. Similarly, .WAV and .MP3 files (these files provide direct-record audio capabilities to individual Questions and Answers) will be of the form MyFileQn.WAV and MyFileAn.WAV (or .MP3) and .JPG files will be of the form MyFileQn.JPG and MyFileAn.JPG.




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