- What Is Microsoft SharePoint 2010?
- Difference Between SPF and SharePoint Server
- What Is a Site?
- What Is a Personal Site?
- What Is a Ribbon?
- What Is a List?
- What Is an External List?
- What Is a Document Library?
- What Is a Wiki Page Library?
- What Is a Form Library?
- What Is an Asset Library?
- What Is a Slide Library?
- What Is a Picture Library?
- What Is a View?
- What Are Web Parts?
- What Are Alerts?
- What Is a Site Column?
- What Is a Content Type?
- What Is Tagging?
- What Is Managed Metadata?
- What Are Versions?
- What Does Check-in/Check-out Mean?
- What Is a Workflow?
What Are Versions?
Document libraries and lists in SharePoint have an option to track versions. This option stores old versions of files or items each time a change is made. For example, if a user uploads a document, and then another user edits the document and saves it, SharePoint saves the original document as a version of the file. Later, users can look at the version history of the file and choose to open a specific version or restore it (that is, make that version the current one).
SharePoint supports two types of versioning. In the first type, each change is regarded as a major change, and the version numbers go from 1 (the first time a document was uploaded) to 2 (after the first change) and then 3 and 4 and so on as shown in Figure 1.28. In the second type, each change is regarded as a minor change, unless the user specifies that it is a major one. The version numbers go from 0.1 (the first time a document was uploaded) to 0.2 (the first change) and so on, until a user selects the option to perform a major change, and the version number changes to 1.0, and subsequent changes raise it to 1.1, 1.2, and so on.
Figure 1.28 Viewing the lists of versions for a document.
For information about how to work with versions, see Chapters 3 and 7.