efficient = a system that works well
document version control = understand the content within a document at all times
Strategies for efficient document version control
large companies often have several people working on the same project, sometimes even the same document causing errors.
these documents often have a version control table as their first page listing who is working on it, dates, when, draft or final
version numbers can be added to the file name, eg NikeCompanyReport2015Ver01.doc, NikeCompanyReport2015Ver02.doc
version numbers can also be added to the footer of the document
version numbers in the footer help people know which version they are reading
a trick to keep a document from being written over is to make it Read Only, then it must saved as different version
there are document management systems that make it work more smoothly. eg when a file is open, it can't be opened by others
find an example of version number in the footer
find an example of version control table
try to start adding a footer for all your documents,
you may include a version number if a document you are working on with major changes
Learn more here