Because I look how to extract .bin/.rom file from .exe, I will make an example for MSI 970A-G46 - V2.8 - Tested and Working!
Open the BIOS.exe file with hex editor
Create a file in hex editor and fill with FF from 0x to 2FFFFx
From .exe file copy from 2EC3C9x to ABC3C8x address and paste it in file created before next from 2FFFFx address.
You will have 64Mbite file.
I mention that this bord run with AMD CPU, and the BIOS may be different from Intel board
@OCBSlimz
Just wanted to say thanks for posting this solution. I been trying all day to extract an MSI exe bios with normal tools such as 7Zip to no avail, but this B2MB was the only thing I found that worked. Now a failed bios update on a MSI H67MS-E23 has been salvaged thanks to your post above. At least Google search gave me your result right away. Thanks
@Lost_N_BIOS :
B2MB extract produces this error-
But creates these two files 1kb each-
MMTool is unable to read either file-
@Bitsoup - Give me link to MSI BIOS Download I assume the .bin file is probably the correct one, but maybe you’re using wrong MMTool for this BIOS. But I can’t see the size of the .bin, if 1kb too, yes that’s wrong
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I found some success running the exe file in Windows on a USB which extracted the files during the process. I was able to copy and move them then cancel the install.
This is what that folder contains. E7693AMS.280 appears to be the correct file and runs in MMtool
Yes, if you have system with MSI motherboard, this method working very well.
In another system it will not work!
@Pityu - It usually works fine for me here not on MSI board, straight from the desktop or other storage folders, but this BIOS it doesn’t. Of course I know several other methods to get BIOS from file too, so if it not work for some BIOS you can still get from the exe
Sorry for not giving you file right off @Bitsoup I was not sure what motherboard or BIOS version you wanted (Which you still did not say). And yes, the .280 is the BIOS.bin file.
@Lost_N_BIOS
I will be very glad if you tell me one easy method for extracting this BIOS. The method from post #5 I give, it is very complicated for most of the users.
Thanks !
@Pityu - Oone easy, user friendly method is follow the exe directions and put on USB then run, that extracts the BIOS.
Easier way for your step #5 via hex is open exe in hex, go to 002ec3c9, select range 8MB or 8000000h (Or select remaining manually, since that (BIOS) is all that’s left from there to the end), copy paste to new file, done.
How you explained it doesn’t make sense to me, EOF is 012bc3c8, and what you mentioned ABC3C8 stops in middle of BIOS right before NVRAM starts, so yes I can see how that would be hard for users, it’s doesn’t work for me how you explained it 
Also, no need for step above that about creating hex file with FF filled to 2FFFFx? None of that necessary, and also doesn’t make sense to me either. New blank file is all you need, copy/paste from exe, then done.
@Bitsoup
Can you please upload your file extracted. I need to compare with Lost_N_Biios method.
Thank you in advance.
Sorry @Pityu , I forgot when checking your method it was wrong for me some, not enough selected starting at point you mentioned and I misspoke on the #'s above last night too! You need to start at end of exe, at 002bc3c9 then select rest of file 10000000 (16MB/16384KB)
Sorry for any confusion I made! 
I now see both your 8MB file and my 16MB file open properly in UEFITool. Looks like two BIOS volumes, one version 09 and one 29 by looking at FID in last volume of each, neither match the 28 of the file name?? Maybe this exe is same for two boards?
I checked both in AMIBCP and both show version 29 though, so who knows what goes on here! 
I attached the extracted BIOS and my Modded BIOS NVMe implant done using MMTool 4.50.0.23.
I successfully flashed my MSI 970-G46 without a brick but it still does not detect my Samsung EVO 970 NVME pcie x4. I’m trying to add this SSD NVME as extra storage to a system that already has a SATA OS installed. Not as a boot device and still have no success. When I initially installed the hardware windows detected it I installed Samsung’s drivers. After formatting the drive I tried to copy files to it which caused windows 7 to freeze. After a restart, windows continued to freeze on startup until I removed the SSD. 
E7693AMS.rar (3.75 MB)
MODe7693ams.rar (3.76 MB)
Find and patch 74/75 to EB:
7413535368
7513535368
A temporary folder will be created in the same dir with the extracted files. Take what you need and close the app or error popup (on wine).
Do not continue the setup installer if it starts properly.
Tested on files from 2013-01-09 and 2016-01-08 with wine.
bitsoup please can you extract the bios file from exe file for me please? I am not as skilled. I have problems with flash from windows, nothing happened after flash still old version of BIOS