diff --git a/atst/routes/task_orders/index.py b/atst/routes/task_orders/index.py
index 74393e75..6a632cbb 100644
--- a/atst/routes/task_orders/index.py
+++ b/atst/routes/task_orders/index.py
@@ -1,5 +1,5 @@
 from io import BytesIO
-from flask import g, Response
+from flask import g, Response, current_app as app
 
 from . import task_orders_bp
 from atst.domain.task_orders import TaskOrders
@@ -17,3 +17,22 @@ def download_summary(task_order_id):
         headers={"Content-Disposition": "attachment; filename={}".format(filename)},
         mimetype="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
     )
+
+
+@task_orders_bp.route("/task_orders/csp_estimate/<task_order_id>")
+def download_csp_estimate(task_order_id):
+    task_order = TaskOrders.get(g.current_user, task_order_id)
+    if task_order.csp_estimate:
+        estimate = task_order.csp_estimate
+        generator = app.csp.files.download(estimate.object_name)
+        return Response(
+            generator,
+            headers={
+                "Content-Disposition": "attachment; filename={}".format(
+                    estimate.filename
+                )
+            },
+        )
+
+    else:
+        raise NotFoundError("task_order CSP estimate")
diff --git a/templates/portfolios/task_orders/show.html b/templates/portfolios/task_orders/show.html
index 38dadacf..144e6c5b 100644
--- a/templates/portfolios/task_orders/show.html
+++ b/templates/portfolios/task_orders/show.html
@@ -133,7 +133,7 @@
         <div class="panel__content">
           {{ DocumentLink(
             title="Cloud Services Estimate",
-            link_url="#") }}
+            link_url=task_order.csp_estimate and url_for("task_orders.download_csp_estimate", task_order_id=task_order.id) ) }}
           {{ DocumentLink(
             title="Market Research",
             link_url="#") }}
diff --git a/templates/task_orders/new/review.html b/templates/task_orders/new/review.html
index 440c58ad..53089982 100644
--- a/templates/task_orders/new/review.html
+++ b/templates/task_orders/new/review.html
@@ -113,7 +113,7 @@
 
 <div class="row">
   {% call ReviewField(("task_orders.new.review.performance_period" | translate), task_order.performance_length, filter="translateDuration") %}
-    <p><a href="#" class='icon-link icon-link--left' download>{{ Icon('download') }} {{ "task_orders.new.review.usage_est_link" | translate }}</a></p>
+    <p><a href="{{ url_for("task_orders.download_csp_estimate", task_order_id=task_order.id) }}" class='icon-link icon-link--left' download>{{ Icon('download') }} {{ "task_orders.new.review.usage_est_link"| translate }}</a></p>
   {% endcall %}
 
   <div class="col col--grow">