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This section contains the description of how the platform's files and folders are stored. In the main mode of platform start, modifiable and read-only files of the platform are stored separately.
Read-only Files of the Platform
These files are located in /Program Files/platform folder/. They are:
- Terminal.exe — the executable file of the trading platform;
- MetaEditor.exe — the executable file of the built-in MQL5 language editor;
- Sounds/*.wav — a set of standard audio files of the trading platform;
Modifiable Files
The main platform directory contains several folders: Bases, Config, Logs, MQL5, Profiles, Templates, Tester. For quick access to the desired storage location, use command " Open data folder" in the File menu.
All text files are of Unicode format. Use appropriate software to edit them. |
The Bases directory contains the platform's data bases grouped by servers, as well as some settings:
Folders and Files |
Description |
Sub-folders |
Description |
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Default |
Default folder of the platform database |
History |
The folder stores history data of financial instruments. Each security is stored in a separate directory that contains files yyyy.hcc, ticks.dat and the cache folder. Files yyyy.hcc contain one-minute data of a symbol, the file name reflects the year to which the data belong. The file ticks.dat contains tick data of a symbol. Files *.hc stored in the "Cache" folder contain bars of different timeframes calculated for a symbol from one-minute data. They are automatically created when you select the appropriate chart period. |
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The folder stores all emails received or sent from the platform. Mail databases are stored in *.dat files; a separate file is created for each account opened in the platform. For example, mail-xxxxx.dat, where xxxxx is the account number. |
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Server 1 — N |
Platform database folders for different trade servers |
News |
The folder only stores one file news.dat containing the database of all newsletters ever received in the platform from a selected trade server. |
Symbols |
File selected-xxxxx.dat contains the database of symbol currently selected in the Market Watch window. File symbols-xxxxx.dat contains the common database of symbols available on this trade server. |
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Trades |
Contains subfolders named by account numbers ever opened in the platform. Each account folder contains files deals_yyyy.mm.dat and history_yyyy.mm.dat with the information about trade and order history respectively. Separate files are created for each month. Here yyyy means the year, and mm — month. |
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alerts.dat |
Contains the database of created alerts. |
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books.dat |
Contains a list of currently open windows of request queues. |
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favourites.dat |
Contains a database of elements added to Favorites of the Navigator window. |
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gvariables.dat |
Contains information about global variables used in the platform. |
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hotkeys.ini |
Contains a database of keyboard shortcuts. |
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indicators.dat |
Contains usage statistics of indicators to display in the Insert menu. |
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objects.dat |
Contains usage statistics of objects to display in the Insert menu. |
Directory Config contains platform configuration files:
Folders and Files |
Description |
---|---|
certificates |
Folder containing certificate files *.pfx |
accounts.dat |
Contains a database of accounts and their settings. |
common.ini |
Contains common platform settings available in the Options window opened through the Tools menu. |
metaeditor.ini |
Contains common settings of MetaEditor. |
terminal.ini |
Contains platform interface settings and last used values (for window positioning, attached indicators, etc.) |
servers.dat |
Trade server settings for connection. |
The Logs directory contains log files of the platform and MetaEditor, as well as crash logs:
Folders and Files |
Description |
---|---|
/Crash/crash.log.* |
Directory /crash contains files of the platform crashes. These files are automatically sent to the developer company to determine and eliminate their causes. |
yyyymmdd.log |
Log files containing information about events occurring in the platform. Platform logs are stored in separate files for each day it runs. Here yyyy stands for the year, mm — month, dd — day. |
metaeditor.log |
MetaEditor log files. |
The MQL5 directory contains all the information related to programs written in this language:
Folders and Files |
Description |
---|---|
/Experts |
Contains Expert Advisor, compiled files (*.ex5) and source code files (*.mq5). |
/Files |
Contains files used by Expert Advisors and scripts. |
/Images |
Contains image files in *.bmp format. |
/Include |
Contains common *.mqh include files. |
/Indicators |
Contains files custom indicators. |
/Libraries |
Contains MQL5 libraries. |
/Logs |
Contains Expert Advisor log files (yyyymmdd.log). These files are created separately for each day of the EA operation, their names correspond to their creation date: yyyy stands for the year, mm — month, dd — date. |
/Presets |
Parameters of Expert Advisors start are stored in this folder ("Input Parameters"). |
/Profiles |
Contains various profiles and templates:
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/Scripts |
Contains files of scripts. |
experts.dat |
Contains usage statistics of MQL5 programs to display in the Insert menu. |
The Tester directory contains files and folders used by the Strategy Tester:
Folders and Files |
Description |
Sub-folders |
Description |
---|---|---|---|
Agent-IP-address-port |
These folders are created for each agent of the tester. The folder name contains the IP address and port number the agent runs on. |
MQL5 |
The file of the Expert Advisor that was tested last is stored in this folder. Expert Advisors are not saved in the folders of remote agents. |
logs |
The entries of the agent operation journal are stored in this folder. |
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bases |
History data used by the agent are stored in this folder. |
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logs |
This folder contains Strategy Tester log files (yyyymmdd.log). These files are created separately for each day of the EA operation, their names correspond to their creation date: yyyy — year, mm — month, dd — day. |
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/Manager |
This directory contains log entries of the MetaTester component. |
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/Cache |
This folder contains the XML-file of cache of last Expert Advisor optimization. |