PRESERVATIONS OF E-RESOURCES: TOOLS & TECHNIQUES

The Present Century Libraries and Archives play a vital role in organizing, preserving, and providing access to the cultural and historical resources of society. In the relatively stable world of printed, hand-written, and mechanically reproduced information, repositories managed to preserve a rich collection of scholarly communications, documentary evidence, and valuable information for specialized scholars and for the wide-ranging public. The opening of digital technologies into the processes of manufacture, sharing, and storage of information challenges the power of libraries, archives, museums, and other cultural institutions to take out their responsibilities for preservation. The Purpose of preservation is to ensure protection of information of enduring value for access by present and generations. This paper is explain about important of digital preservation, tools and challenges in modern era.