What is Drive Letter Access (DLA)?

Drive Letter Access (DLA): Here, we are going to learn about the Drive Letter Access, its history, versions, etc.
Submitted by Anushree Goswami, on January 25, 2021

DLA: Drive Letter Access

DLA is an abbreviation of "Drive Letter Access". It was an application technology based on packet writing, which was fundamentally used for Microsoft Windows and afterward commercially put to an end.


  • In the beginning, DLA was designed and created by VERITAS Software.
  • Afterward, in 2002, it was acquired by Sonic Solutions.


The accessibility of the technology, DLA, is only designed for Microsoft Windows operating systems and the single language, that it is using for the functioning is English.

The Versions it comprises:

  • Version 4.95 is operational on Windows 98SE, Me, NT 4.0, 2000, and XP.
  • Version 5.21 is high up to date version, which is designed and operational for Windows 98SE, Me, 2000, and XP.

Packet writing

  • Packet writing is a system of the method to make use of an optical means comprises a CD-RW, DVD±RW, and other means, as similar to a floppy drive.
  • The name "Packet writing" is used for the reason that it turned out to be feasible to write down data in small packets, subsequent to formatting the optical media.
  • In the case of writing DVD-RAM, Packet writing is not necessary.


  • DLA may put a stop to media discharge from an optical drive.
  • The compatibility of DLA is not going with the "Internet Explorer 8" browser.
  • DLA can put a stop to the process of installation of a program, which is shared on a rewritable CD or DVD.
  • On Windows Server 2003, DLA is capable of cause prevention of errors.

Reference: Drive Letter Access

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