Technological development has brought improvements to communication and also to the production and use of records, perceived mainly in the agility and productivity provided by digital documents. However, there were also problems with long-term access due to obsolescence and the physical degradation of the media, compromising the information contained in them. As a result, preservation techniques such as migration, emulation, encapsulation, and preservation of technology are the best way to combat this problem. Thus, the present work proposes a review of the literature on technological obsolescence, a problem that can affect digital documents, both in their media and the information itself, in addition to the means by which it can be avoided. A descriptive and bibliographical research was carried out, trying to emphasize the effects of the obsolescence in the archival documents.
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