After updating to BUSY version , old data not showing up. How to recover?

After updating to BUSY version 21, If your old data is not showing You need to Restore your data.there are two aspect from which data will be restore one is from backup file which contain two files and names are DATA in zip and DISK1 and another one is that you have company folder For example - COMP0001 and so on and it contain two files and names are db.bds and db12022.bds or any FY. 
 1. If you have backup files so you need to follow some steps and these are- 
 Step 1: Go to Company Menu and click on Restore Data Option. 
 Step 2: After click on Restore Data Option Click on browser for folder and it will appear in yellow coloured file and Give path of backup data folder where your new data exist in the form of backup file Data and DISK1 
 Step 3: After give path click on OK Option BUSY will show you the prompt for Data Restoration and you have to click on YES Option 
 Step 4: After click on YES Option BUSY will show you the prompt about Company Exist and you need Select one option out three and these option are Yes,No and Cancel.If you select option Yes then it will replace your existing company 
 in company list and If you select option No then it will create another company in list. 
 Step 5: Now you can Click on Esc Button on your key board and click on open company and you will get your data. 
 2. If you have company folder For example - COMP0001 and so on and it contain 2 or more files and names are db.bds and db12022.bds or any FY Then you need to follow these steps- 
 Step 1- Go to company menu and click on option Set Data Directory 
 Step 2- Give the path your data folder wherever exit in system and click on OK option.S 
 Step 3- Click on open company and you will get your data.