Can anybody help me with Microsoft Flight Simulator 2020 files. I have originally installed from steam onto my C drive but as it was so big I bought a dedicated drive to install it on. When I installed it onto the new drive, I still find on occasions odd update file on my C drive. problem is I do not no which folder to copy these into on my new drive. So many confusing folders…
I can’t speak for steam,but with the store version I think,there are always files on the C drive,where they should stay.
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What Scott said is true. There will be files in User folders on C drive and in others too so dont be surprised when you find them scattered around.
Ok thanks for that …for the programme to run do these files have to be on C drive or can I move them to new drive and if so how do I know where do I put them?
may be you can show us the folders which confusing you 
In Steam you install the game ( ~1.x Gig ) in your Steam-Library, as example in you Steam-Lib-1 at C: drive. So, in a first step only these ~1.x Gig is used. Of course , like windows works, there are folders within %AppData%\Microsoft Fligh… which store then later runtime data ( some caches, settings, etc. ).
Then , if you start MSFS, it installs the main-content by itself. For that it ask you about a “packages” folder and thats the parts where your focus should be.
If you have an existing installation , you can move the packages folder to another drive. It looks then like following:
Important is, that you have to change your UseCfg file:
%AppData%\Microsoft Flight Simulator\UserCfg.opt
( note : %AppData% stands for C:\Users\xxusernamexxx\AppData\Roaming\ )
Go to last line and change the folder to where you have moved it:
InstalledPackagesPath “G:\msfs\Packages”
And thats it..
EDIT: and I forgot… you can later of course move the Rolling-Cache file from C: to another drive too.
Many thanks for your help.
There are no files on my C drive now. When starting to run MFS from my K drive it asks me to install installation manager. I know I already have this on my K drive.
Folders on my K drive are: Games & Steam Library
When I click on Games…folders are Community or MFS 2020 or Official.
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ah.. so you created already a Steam-Lib on your K: drive ( e.g. I have 3 steam libs , you find yours in Steam->settings->Downloads->Steam-Lib-Folders ).
Most Steam users install the “Content” (packages) direct into the Steam-Lib folder just because thats the default, and this cause often confusion " Steam-Lib " vs " Game Content independend of Steam ".
The Steam-lib have nothing to do with the game content, it contains only the Game itself ( the app ) , not what the app loads by itself. ( on other side we have not much games, where the game loads its content by itself. Usually you load all over steam and so you put your whole content in your steam-lib->game folder )
And don’t forget.. important settings files ( etc.) you have to search within the mentioned “%AppData%” folder, just in case you need it in future