To Transfer Data From One ATM File To Another

The files that ATM creates are normal files that you can copy, move, rename, backup, and so on.
 

Two Very Important Points

Firstly, make sure that ATM is closed before moving any files. Secondly, price history files (the ones ending in .tsphd) have very specific names. You can copy/move them to different folders, but you can't rename them.
 

Copying an entire setup

The files to copy include 1 settings file, and then zero-to-many price history files. The folder that the price history files are in is shown on the Options tab, in case you forgot where you put them. Full file paths are also shown on the Data Manager Search window.

Copy all those files to the new computer. Start ATM. Go immediately to the Options window. Change the price history file location if necessary (to match where the files are located on the new computer). If you did change it then re-start ATM.
 

Merging settings files

You can export trading systems, alerts, custom indicators, and charts. The exported files are just text files. Copy them to your other computer and then import. All other settings have to be re-entered manually.
 

Merging price history files

While you can export price history to text files and then import on the other computer, there are better ways. In the examples below, we will say that we are copying the file containing prices for EURUSD/Hourly/FXCM. This corresponds to a file with name fxcm_32_1h.tsphd:

1. If on the second computer you don't have a Data Manager entry for that yet, just copy the file straight to the directory where all the other price history files are. Start ATM, make the Data Manager entry for EURUSD/Hourly/FXCM, and ATM will immediately recognise all of the price history in that copied file.
2. If on the second computer you already have a Data Manager entry for that, but haven't gathered any or much price history for it, just delete the Data Manager entry and follow the steps in paragraph #1.
3. If on the second computer you already have a Data Manager entry for that, and have already started gathering price history for it (enough to make you feel sad to just delete it and follow the instructions in paragraph #1), then you can use the File Loader window to merge the two .tsphd files. It will go faster if you put the larger file in the directory with all the others, and merge the smaller file.

   On the File Loader window, select the file to load, set "order of fields" to "ATM Price History file (*.tsphd)", and choose "EURUSD/Hourly/FXCM" as the price data to be loaded. The File Loader will say that the rest of the fields are mandatory, but they're not in this case and you can choose any value just to get past the mandatory fields check.

Just to repeat, when copying files to or from the computers, make sure ATM is closed.