| Summary Format | |
| Garmin | |
| Ads |
SUM is a checksum file. SUM files are used by software that powers Garmin navigation devices. Checksums generated during diagnostic processes are used to verify intergrity of files used by given device, for example, map or audio files.
SUM file is not necessary for the GPS device to work properly and can be deleted after intergrity test are finished.
Windows
| .aawdef | Ad-Aware Definitions Format |
| .abr | Adobe Photoshop Brush Format |
| .ac$ | AutoCAD Undo Info Format |
| .acc | DR DOS - ViewMax Format |
| .acl | Microsoft Office Automatic Correction List |
| .acs | Microsoft Agent Character Structured Storage Format |
| .ad | After Dark Screen Saver Format |
| .add | Microsoft Dynamics AX Developer Documentation Format |