recovering a layout file


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my computer recently got hacked and my computer fix-it guy was able to recover most but the layout files have the following error message:


C:\p4sync\dev\Releases\22\chief\source\DocumentFactory.cpp(457): Warning #272015538

"Unable to read the file "C:/Users/Henry Sonsona/OneDrive/Desktop/Line Construction/a Line Construction of Hawaii/Line Construction/a Line Construction Job Files/Residential/nee 052820.layout". This file does not have a valid header record."


Any suggestions on how to recover layout files. Looks like all layout files are doing this.

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If you are on a win 10 PC

Look in your Documents folder for Chief x 12 Archives for a file named with this extension  _auto_save_bak.layout   or .layout  

C:\Users\ XXXXX\Documents\Chief Architect Premier X12 Data\Archives\your specific layout name\ you layout file name


XXXX is your user name specific to your computer

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I suspect it is corrupted and also suggest taking a copy from the archive folder

Go to Edit>Preferences>Folders> My Folder Data


Lookup archive see if there is a copy


In general every layout/plan has a header: 

01 ca b2 0b 00 00  


If it is corrupt CA will not open

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