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21-Topaz II
January 14, 2019
Solved

Is it possible to recover a Mathcad file from a file like MFCXXX?

  • January 14, 2019
  • 14 replies
  • 9841 views

Hi all!

When saving a 25MB mathcad file, Windows creates a temporary file with a name whose first three letters are MFC followed by 4 hexadecimal digits and 0MB size. When the saving is finished, it is automatically deleted. Moreover, if during the saving (which takes several minutes) the operation is disturbed in some way, it happens that the content of the original file is reset and stored in the new MFCXXXX file of the TEMP type, which, then, results unrecoverable. If you open this MFCXXXX file with a text editor, you can access the file. Wanting to recover the file, what are the changes to be made to the opened file with a text editor, and how to change its extension and then save it again with the xmcd extension? Is it possible?

Currently I save the files with the name of my liking to which I add the date of the day, so that, if I lose the file, I always have the copy of the previous day. I ask the question in case I want to recover the lost file in the aforementioned way.

Best answer by Werner_E

@-MFra- wrote:

I'm sorry but I can not please Terry.

 I would like to know if it is normal what I said earlier, namely, that when you save a worksheet in the Mathcad 15 environment, it creates a temporary file of the type MFCXXXX.temp. When you open the folder containing the worksheet with "files explore", you can see the presence of the temporary file. Is this normal or is it a problem of my computer?

Thank you.


I seldom see those MFCxxxx.tmp files as saving a Mathcad worksheet usually is done in fractions of a second.

I may see it when a worksheet needs longer for saving due to its length or because it needs longer for recalculating the worksheet.

When those tmp files remain it usually means that saving went wrong.

As far as I remember those files usually have zero byte length and contain no information but I don't have a specimen at hand to check.

Alt least we can say that usually you should never see those tmp files.

14 replies

21-Topaz II
January 14, 2019

Hi,

 

To change the name of an extension that has a default program association in windows you need to do it from the command prompt using the "rename" command.

 

Cheers

 

 

23-Emerald IV
January 14, 2019

(Forgot to read the post below, before submitting a reaction)

21-Topaz II
January 14, 2019

Hi,

 

In file explorer on windows, you can alter the option on view tab to show file extensions then you can edit them in file explorer.

 

Terry