| afw | iGrafx FlowCharter Workspace |
| afz | Ancestry.com Family Tree Database Backup |
| afzplug | Corel AfterShot Pro Plug-in |
| ag | Lotus Agenda Data |
| ag4 | Microsoft Access G4 Data |
| aga | ArcGIS ArcGlobe Data |
| agb | Game Boy Advance ROM Image |
| agc | Autodesk Simulation Mechanical Surface Contacts Text Data |
| agd | ActiGraph ActiLife Data |
| agd | AgileGraph Data File |
| agd2 | Adobe FreeHand 7 for Mac Data |
| agdata | Ag Leader InCommand Data |
| agdb | ANSYS DesignModeler Data |
| age | Age Encrypted Data |
| agent | Forte Agent Data |
| ageo | Dream Aquarium Fish Model |
| agf | Zemax ASCII Glass Catalog |
| agg | Autograph Graph Data |
| aggr | Adobe Captivate Aggregate Data |
| agl | Agile XML Archive |
| agl | ArgusLab Molecular Graphics Modelling Data |
| aglcomp | Adobe GoLive Component Data |
| agldei | Adobe GoLive Template Data |
| aglib | Adobe Photoshop Lightroom Library |
| aglsl | Adobe GoLive Site Locator Data |
| agprefs | Adobe Photoshop Lightroom Preferences Data |
| agr | AepGraph Data |
| ags | AGS Data File |
| ags | AppGini Saved Style Sheet |
| agsc | eXtendable Wad Editor AGSC Data |
| agsetup | Ag Leader InCommand Setup Data |
| agt | PeerAgent Typed Executable E-mail Data |
| agtoolkit | Adobe Photoshop Lightroom Toolkit Data |
| agw | Aspen Graphics Window Data |
| agx | IBM Rational Rose XDE Data |
