SD4 file format description
Many people share .sd4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .sd4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .sd4 files.
1 filename extension(s) found in our database.
.sd4 - Smart Diary Suite 4 Database
The SD4 data files are related to Smart Diary Suite 4. SD4 file is a Smart Diary Suite 4 Database. Smart Diary Suite 4 is a completely customizable personal information manager for Microsoft Windows.
- Smart Diary Suite 4
- Data files
- - / -
- Smart Diary Suite 4 Database related extensions:
Naturally, other applications may also use the .sd4 file extension. Even harmful programs can create .sd4 files. Be especially cautious with .sd4 files coming from an unknown source!
Can't open a .sd4 file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .sd4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
sde, sdr, cd4, sw4, ss4, sdt, sc4, qd4, d4, sv4, sr4, sd, s4d, ds4
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- ArcSDE Connection File
- SmartDraw Drawing
- Dymo DiscPainter Document
- IBM Rational SDL Suite Data
- TIFF Screened Data
- Dataphor Source Code
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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