The Eclipse will help us to take backup in the production or developer org or sandbox.
To install Eclipse à Go to Eclipse webpage and download the related eclipse file for your system and extract the zip file. Refer the eclipse link below.
Step 1: Install the Eclipse and Open the Eclipse. Select the workspace by selecting the folder you prescribed for the eclipse to store the data.
Step 2: Install the Salesforce Force IDE to Eclipse by below steps:
Step 3: Now click on the Create new Java – EE. Now the Enter the Project name and Click Finish.
Step 4: Now Go to File | New | Force.com IDE Project. It open New Force.com IDE Project Dialog box.
Step 5: Enter the Project name, Username and Password of Salesforce account and enter the security token of your org and Click Next.
Steps to find the security token is below:
Step 6: Now select the selected metadata compounds radio button and click choose. Select the Classes and triggers folder and click Finish.
Step 7: Now select the Project name that displayed in the Project Explorer. Now select the src.
Step 8: Now select the folder of classes and triggers below the src.
Step 9: Now right click and select the Export. Now the Export Popup will be open. Select File system under the General section and click Next.
Step 10: Now select the required Class and Trigger. In the To Directory select the particular you want to export the classes and triggers and Click Export.
Once the process completed the related classes and triggers will be exported in the selected folder.