diff --git a/pyzebra/app/panel_ccl_integrate.py b/pyzebra/app/panel_ccl_integrate.py
index 5ed46ce..cb78aaf 100644
--- a/pyzebra/app/panel_ccl_integrate.py
+++ b/pyzebra/app/panel_ccl_integrate.py
@@ -43,6 +43,7 @@ from bokeh.models import (
 )
 
 import pyzebra
+from pyzebra.ccl_io import EXPORT_TARGETS
 from pyzebra.ccl_process import AREA_METHODS
 
 
@@ -57,7 +58,7 @@ for (let i = 0; i < js_data.data['fname'].length; i++) {
         document.body.appendChild(link);
         const url = window.URL.createObjectURL(blob);
         link.href = url;
-        link.download = js_data.data['fname'][i];
+        link.download = js_data.data['fname'][i] + js_data.data['ext'][i];
         link.click();
         window.URL.revokeObjectURL(url);
         document.body.removeChild(link);
@@ -71,7 +72,7 @@ for (let i = 0; i < js_data.data['fname'].length; i++) {
 def create():
     det_data = {}
     fit_params = {}
-    js_data = ColumnDataSource(data=dict(content=["", ""], fname=["", ""]))
+    js_data = ColumnDataSource(data=dict(content=["", ""], fname=["", ""], ext=["", ""]))
 
     def proposal_textinput_callback(_attr, _old, new):
         proposal = new.strip()
@@ -118,7 +119,7 @@ def create():
                     det_data = pyzebra.parse_1D(file, ext)
                     pyzebra.normalize_dataset(det_data, monitor_spinner.value)
                     pyzebra.merge_duplicates(det_data)
-                    js_data.data.update(fname=[base + ".comm", base + ".incomm"])
+                    js_data.data.update(fname=[base, base])
 
         _init_datatable()
 
@@ -153,7 +154,7 @@ def create():
                     det_data = pyzebra.parse_1D(file, ext)
                     pyzebra.normalize_dataset(det_data, monitor_spinner.value)
                     pyzebra.merge_duplicates(det_data)
-                    js_data.data.update(fname=[base + ".comm", base + ".incomm"])
+                    js_data.data.update(fname=[base, base])
 
         _init_datatable()
 
@@ -511,12 +512,15 @@ def create():
                     export_data.append(s)
 
             pyzebra.export_1D(
-                export_data, temp_file, hkl_precision=int(hkl_precision_select.value),
+                export_data,
+                temp_file,
+                export_target_select.value,
+                hkl_precision=int(hkl_precision_select.value),
             )
 
             exported_content = ""
             file_content = []
-            for ext in (".comm", ".incomm"):
+            for ext in EXPORT_TARGETS[export_target_select.value]:
                 fname = temp_file + ext
                 if os.path.isfile(fname):
                     with open(fname) as f:
@@ -529,6 +533,16 @@ def create():
             js_data.data.update(content=file_content)
             export_preview_textinput.value = exported_content
 
+    def export_target_select_callback(_attr, _old, new):
+        js_data.data.update(ext=EXPORT_TARGETS[new])
+        _update_preview()
+
+    export_target_select = Select(
+        title="Export target:", options=list(EXPORT_TARGETS.keys()), value="fullprof", width=80
+    )
+    export_target_select.on_change("value", export_target_select_callback)
+    js_data.data.update(ext=EXPORT_TARGETS[export_target_select.value])
+
     def hkl_precision_select_callback(_attr, _old, _new):
         _update_preview()
 
@@ -569,7 +583,9 @@ def create():
 
     export_layout = column(
         export_preview_textinput,
-        row(hkl_precision_select, column(Spacer(height=19), row(save_button))),
+        row(
+            export_target_select, hkl_precision_select, column(Spacer(height=19), row(save_button))
+        ),
     )
 
     tab_layout = column(
diff --git a/pyzebra/app/panel_param_study.py b/pyzebra/app/panel_param_study.py
index dceff00..3ce5195 100644
--- a/pyzebra/app/panel_param_study.py
+++ b/pyzebra/app/panel_param_study.py
@@ -600,7 +600,7 @@ def create():
                 if export:
                     export_data.append(s)
 
-            pyzebra.export_1D(export_data, temp_file)
+            pyzebra.export_1D(export_data, temp_file, "fullprof")
 
             exported_content = ""
             file_content = []
diff --git a/pyzebra/ccl_io.py b/pyzebra/ccl_io.py
index bf27d6f..c4f12fd 100644
--- a/pyzebra/ccl_io.py
+++ b/pyzebra/ccl_io.py
@@ -76,6 +76,8 @@ CCL_SECOND_LINE = (
     ("scan_motor", str),
 )
 
+EXPORT_TARGETS = {"fullprof": (".comm", ".incomm"), "jana": (".col", ".incol")}
+
 
 def load_1D(filepath):
     """
@@ -241,14 +243,19 @@ def parse_1D(fileobj, data_type):
     return scan
 
 
-def export_1D(data, path, hkl_precision=2):
-    """Exports data in the .comm/.incomm format
+def export_1D(data, path, export_target, hkl_precision=2):
+    """Exports data in the .comm/.incomm format for fullprof or .col/.incol format for jana.
 
-    Scans with integer/real hkl values are saved in .comm/.incomm files correspondingly. If no scans
-    are present for a particular output format, that file won't be created.
+    Scans with integer/real hkl values are saved in .comm/.incomm or .col/.incol files
+    correspondingly. If no scans are present for a particular output format, that file won't be
+    created.
     """
+    if export_target not in EXPORT_TARGETS:
+        raise ValueError(f"Unknown export target: {export_target}.")
+
     zebra_mode = data[0]["zebra_mode"]
-    file_content = {".comm": [], ".incomm": []}
+    exts = EXPORT_TARGETS[export_target]
+    file_content = {ext: [] for ext in exts}
 
     for scan in data:
         if "fit" not in scan:
@@ -272,9 +279,16 @@ def export_1D(data, path, hkl_precision=2):
                 angle_center = (np.min(scan[angle]) + np.max(scan[angle])) / 2
             else:
                 angle_center = scan[angle]
+
+            if angle == "twotheta" and export_target == "jana":
+                angle_center /= 2
+
             ang_str = ang_str + f"{angle_center:8g}"
 
-        ref = file_content[".comm"] if hkl_are_integers else file_content[".incomm"]
+        if export_target == "jana":
+            ang_str = ang_str + f"{scan['temp']:8}" + f"{scan['monitor']:8}"
+
+        ref = file_content[exts[0]] if hkl_are_integers else file_content[exts[1]]
         ref.append(idx_str + hkl_str + area_str + ang_str + "\n")
 
     for ext, content in file_content.items():