| .fdf |
Acrobat Forms Data Format |
| .odt |
OpenDocument Text Document |
| .ogg |
Ogg Vorbis Audio File |
| .opju |
Origin Unicode Project |
| .otp |
OpenDocument Presentation Template |
| .oth |
OpenDocument HTML Template |
| .ogm |
Origin Matrix File |
| .otm |
Outlook Macro File |
| .opj |
Origin Project |
| .ogwu |
Origin Unicode Workbook File |
| .oggu |
Origin Unicode Graph File |
| .otpu |
Origin Unicode Graph Template |
| .ogmu |
Origin Unicode Matrix File |
| .ogw |
Origin Workbook File |
| .otw |
Origin Workbook Template |
| .otwu |
Origin Unicode Workbook Template |
| .otmu |
Origin Unicode Matrix Template |
| .ogs |
Origin LabTalk Script File |
| .ois |
Origin Analyses Theme File |
| .oif |
Origin Import Filter File |
| .ofp |
Origin Function Plot Theme File |
| .omc |
Origin customized menu data |
| .cuv |
Origin sample curve data |
| .ocb |
Origin precompiled Origin C source code |