It looks like MT4 just keeps a week of log files . . .  you can try some file/directory recovery software.
	          
	          
          
		          They get purged automatically.
	          
	          
          
		          Is there anyway to disable the purging of EA log files?
	          
	          
          wanloong:
 
Hi,
I found out that my EA log files were missing after 1 week. I wish to check whether does MT4 removed the log file after 1 week? If yes, is there any chance I can recover it?
In the first place, have you look in your Recycle Bin? your PC? 
diostar:
 
In the first place, have you look in your Recycle Bin? your PC? 
Yes. It was not there.
wanloong:
 
Yes. It was not there.
It won't be there as it hasn't been "recycled" by the user .  .
	          Yes. It was not there.
WHRoeder:
They get purged automatically.
They get purged automatically.
Not true.
RaptorUK:
It won't be there as it hasn't been "recycled" by the user . .
It won't be there as it hasn't been "recycled" by the user . .
How do you know? Only the recycler knows that for sure, mistakenly or otherwise. 
And No, it DOES NOT "purge" expert logs automatically.  I have mine since August.
diostar:
 
From what I can see in my terminals . . . they do,  I have 7 or 8 days worth of logs in the experts/logs  folder.
	          Not true.
diostar:
 
Maybe it's a Broker specific setting ?
	          How do you know? Only the recycler knows that for sure, mistakenly or otherwise. 
And No, it DOES NOT "purge" expert logs automatically.  I have mine since August.
 
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Hi,
I found out that my EA log files were missing after 1 week. I wish to check whether does MT4 removed the log file after 1 week? If yes, is there any chance I can recover it?