A daily updated filename extension database!

RD1 file extension

The table below provides useful information about the .rd1 file extension. It answers questions such as:

  • What is the .rd1 file?
  • What program do I need to open a .rd1 file?
  • How can the .rd1 file be opened, edited or printed?
  • How can I convert .rd1 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ DATAIR Retirement Plan Document System Data

RD1 file is a DATAIR Retirement Plan Document System Data. DATAIR is an employee benefits software company.
RD1 format description not yet available
Category: Data files
Application: DATAIR
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RD1 aliases:
RD1 related links:
RD1 related extensions:

Other types of files may also use the .rd1 file extension.

🚫 The .rd1 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d1, dr1, fd1, gd1, rc1, rd, rdl, rdw, re1, rf1, rs1, rx1, td1

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Real-DRAW Project
Samsung S5230 Firmware RSRC1 File
R:Base X.5 Database
Progress OpenEdge Database
Gerber Drill Drawing Data
Nicolet 5DX Data
Hy-Tek Meet Manager Registration Data
Windows Live Photo Gallery Thumbnail Database
Teledisk Floppy Image
Retirement Forecast Data

🔴 Can't open a .rd1 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .rd1 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .rd1 file extension, write to us!

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