diff --git a/context/config.example.js b/context/config.example.js
index 6a0c8d5..fdc1590 100644
--- a/context/config.example.js
+++ b/context/config.example.js
@@ -24,6 +24,10 @@ module.exports = {
     channels: {
       mergeDiscussionIntoParent: true,
     },
+    posts: {
+      // Экспортировать посты только начиная с этой даты (ISO 8601). Если не задано - экспортируются все посты.
+      fromDate: '2026-05-18T00:00:00.000Z',
+    },
     user: {
       globalRoleMap: {
         admin: 'system_admin',
diff --git a/lib/rocketchat/posts.js b/lib/rocketchat/posts.js
index c4d2779..4f90629 100644
--- a/lib/rocketchat/posts.js
+++ b/lib/rocketchat/posts.js
@@ -16,8 +16,10 @@ module.exports = async function (context) {
   let written = 0
 
   let memReplyIds = {}
-  const total = await collection.count()
-  const cursor = collection.find()
+  const fromDate = _.get(context, 'config.define.posts.fromDate')
+  const query = fromDate ? { ts: { $gte: new Date(fromDate) } } : {}
+  const total = await collection.count(query)
+  const cursor = collection.find(query)
   while (await cursor.hasNext()) {
     const result = await cursor.next()
     let posts = await collectPostData(context, result, memReplyIds, false)