An AJP file formatted as .ajp may represent several formats, most commonly a CCTV/DVR export storing video in a
proprietary format that common media tools can’t open, created when someone exports footage from a chosen camera and timeframe to removable media, and usually accompanied by a special viewer like a Backup Player / AJP Player that can open and occasionally convert it.

If an AJP file didn’t originate from DVR footage, it may instead stem from old software like Anfy Applet Generator or CAD/CAM applications such as Alphacam, so it’s not video, and you can usually pinpoint the type by looking at file size and folder structure—CCTV AJPs are massive, often accompanied by viewer programs, whereas project-style AJPs are noticeably smaller and stored next to web or CAD resources, and by checking Properties or safely viewing it in a text editor, readable text hints at a project/config file while mostly unreadable symbols indicate a binary DVR container.
To open an .AJP file, the correct procedure is dictated by what created it because common players and Windows typically fail to open it, and for CCTV/DVR exports the most dependable approach is to run the bundled viewer/player—often found alongside the AJP under names like Player.exe or BackupPlayer.exe—use it to load the footage, and then choose its Export/Save/Convert option to create a standard format such as MP4 or AVI.
If the AJP came without a viewer, the next logical step is to figure out the manufacturer and install the vendor’s CMS/VMS/backup viewer, since many systems decode AJP only through their own PC client; once set up, open the client itself and load the AJP via its Open/Playback/Local File feature, and if playback works but exporting doesn’t, your final fallback is to record the footage from the screen, which is time-intensive but can be necessary for older or locked-down formats.
If the AJP file doesn’t trace back to a DVR, it may belong to older animation/app-creation tools or CAD/CAM workflows, requiring the same program that made it, so look around its folder for identifying app names, documentation, or related file types like DXF/DWG, then open it inside the correct software, noting that file size can guide you—tiny files usually mean project/config content, while huge ones are often CCTV backups.
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AJP file format, you could contact us at the web site. If you prefer, you can tell me the size along with names of nearby files or a screenshot, and I can almost always confirm if it’s a DVR export and advise which playback tool will open it.