| Subject | English | Welsh |
| comp., MS | Academic Library | Llyfrgell Academaidd (A site template that offers a protected document library for educational institutions where students can discover, acquire, and consume selected content that is subject to digital rights management) |
| comp., MS | asset library | llyfrgell asedau (A library that provide content types with common properties, and enhanced views to find and preview rich media, also called digital assets) |
| comp., MS | content library | llyfrgell cynnwys (A data repository, in which items such as text, text boxes, pictures, tables, shapes, etc. can be stored and re-used within the same document and across multiple documents) |
| comp., MS | Data Connection Library | Llyfrgell Cysylltu Data (A document library, located on a site running Microsoft Office SharePoint Server 2007, that contains a collection of universal data connection (.udcx) and Office data connection (.odc) files) |
| comp., MS | document library | Llyfrgell Dogfennau (A location on a SharePoint site where a collection of files and their associated metadata are stored) |
| comp., MS | Drop Off Library | Llyfrgell Gollwng (A SharePoint document library where users can upload files that are then routed automatically to the correct library or folder in the site based upon rules defined by the site administrator) |
| comp., MS | dynamic-link library | llyfrgell cyswllt dynamig (An operating system feature that allows executable routines (generally serving a specific function or set of functions) to be stored separately as files with .dll extensions. These routines are loaded only when needed by the program that calls them) |
| comp., MS | Form Library URL Repair Tool | Offeryn Atgyweirio URL Llyfrgell Ffurflenni (A feature that updates absolute URLs in form templates associated with SharePoint Form Libraries (i.e., InfoPath XSNs) as well as Universal Data Connection files) |
| comp., MS | .NET Framework class library | llyfrgell dosbarthiadau .NET Framework (A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built) |
| comp., MS | object library | llyfrgell gwrthrychau (A file that contains definitions of objects and their methods and properties) |
| comp., MS | preservation hold library | llyfrgell cadw (A SharePoint document library in which content is stored after being deleted or modified so that it can be accessed for electronic discovery or other legal purposes) |
| comp., MS | Recorded TV Library | Llyfrgell Teledu wedi'i Recordio (A Windows library that allows users to store, manage and share all their recorded TV items) |
| comp., MS | Shared Documents library | Llyfrgell Dogfennau a Rennir (A document library that is included by default in the Team Site site template) |
| comp., MS | Slide Library | Llyfrgell Sleidiau (A folder where a collection of PowerPoint slides is shared) |
| comp., MS | type library | llyfrgell math (A file (or component within another file) that contains Automation standard descriptions of exposed objects, properties, and methods) |
| comp., MS | wiki library | llyfrgell wici (A document library in which users can easily edit any page, providing a low-maintenance way to record knowledge) |
| comp., MS | Word Add-in Library | Llyfrgell Ategion Word (A stand-alone, dynamic-link library that, when loaded, can add custom commands that extend the functionality of Microsoft Word. Commands and functions in a loaded WLL are also available to Microsoft Visual Basic projects) |