After a while MT4's trade bases might become overgrown in size (up to few gigabytes). It makes MT4 to start slower, backups became to big and slow to make, managers and users experience delays because MT4 must maintain huge database.

We have found a solution - to compress orders.dat file in a very efficiency way. Old closed trades profits calculates and then single balance operation replaces multiple trades. The same with old expired pending orders, they can be easily deleted.
With balance operation we do the same, calculate summare and make single transaction.

You control what mode the tool will operate very preciesly. You can specify group, starting and ending date and run in read-only mode to get possible result before any changes get place.