| File Extension: | ALF |
| File Type Description: | ACT! Lookup File |
| File Type Developer: | Swiftpage, Inc. |
| Primary Associated Software: | Swiftpage Act |
| Primary Software Developer: | Swiftpage, Inc. |
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Primarily, a ALF file extension is a type of ACT! Lookup File file developed for the Swiftpage Act software program by Swiftpage, Inc.. According to our internal data, ACT! Lookup File files are most popular with users in United States, with a majority of them running Windows 10. Google Chrome is their primary internet browser for the bulk of these users.
 | Swiftpage Act by Swiftpage, Inc. |
 | PcProfi Alf by PcProfi |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .GDB | Garmin | Database Files | GPS Database File |
| .LCS | Swiftpage, Inc. | Data Files | ACT! History Data |
| .GLY | Microsoft Corporation | Data Files | Word Glossary File |
| .NDB | Naviter | Data Files | SeeYou Waypoint File |
| .ADT | Swiftpage, Inc. | Data Files | ACT! Document Template |
| .REL | Nintendo | Game Files | Relocatable Module File |
| .REX | Propellerhead | Audio Files | ReCycle Loop File |
| .DCS | Quark Software Inc. | Vector Image Files | Desktop Color Separation File |
| .ATV | Sage | Database Files | ACT! Data File |
| .RPN | Swiftpage, Inc. | Text Files | ACT! Report Data |
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