Optical Media like CD/DVDs and hard drives are pretty affordable
You have to use Vibosoft free data backup software http://www.vibosoft.com/free-data-backup-windows.html
There are many companies that allow you to backup data online. Examples of companies that allow you to backup data online include Carbonite Online Backup and My PC Backup.
Yes. The Windows Backup and Restore Utility gives you the option to make a duplicate copy of all the data on your hard drive if you wish.
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To use Tally backup, first, open your Tally software and navigate to the company for which you want to create a backup. Go to the "Gateway of Tally," select "Accounts Info," then "Backup." Choose the location where you want to save the backup file, and Tally will create a backup of your data. To restore a backup, use the "Restore" option in the same menu and select the backup file from the chosen location.
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By performing a bit-by-bit comparison of the backup medium with the originalsource data.
Magnetic tape backup of your data is done with a magnetic tape data storage system. You can use digital recording to store your digital data on the magnetic tape as a backup.
Operating System disk will have a option to repair your O/S, do this to prevent data loss.
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# Start Tally - If the Company Information screen is loaded first - there is a menu option "Backup". Select this to get the "Select Companies to Backup" screen. However, if the Gateway of Tally Loads - use Alt+F3 to get the option Backup. Note: this option is available only on the Company Information screen # To change either the source or the destination paths, use the Backspace key and change the path as required. Let us say we want to backup the data to a directory Tally backup in the D Drive - change the path to D:\Tallybackup and choose the companies as required. Incase we want to take a backup onto another person's system - the path will be \\machinename\\drivename\directoryname The process of backing up data begins when at least one company is selected for the same. To stop selecting companies, select the option "End of List" which appears at the top of the selection list. Note: This option appears only after one company is selected for backup. # The backup file is stored as TBK500.001. If the backup is taken in a medium likely to extend more than one - for example, floppy, then the extension digits (001, 002) will be stored accordingly.
Click start, type " Backup and restore " . Click " Backup and restore" open the backup and restore window and you will be able to see the option. you can choose the option that best suits you.