diff --git a/Telegram/SourceFiles/export/data/export_data_types.cpp b/Telegram/SourceFiles/export/data/export_data_types.cpp
index a2e26ed35..383d5825a 100644
--- a/Telegram/SourceFiles/export/data/export_data_types.cpp
+++ b/Telegram/SourceFiles/export/data/export_data_types.cpp
@@ -617,6 +617,7 @@ User ParseUser(const MTPUser &data) {
 	auto result = User();
 	result.info = ParseContactInfo(data);
 	data.match([&](const MTPDuser &data) {
+		result.id = data.vid.v;
 		if (data.has_username()) {
 			result.username = ParseString(data.vusername);
 		}
diff --git a/Telegram/SourceFiles/export/data/export_data_types.h b/Telegram/SourceFiles/export/data/export_data_types.h
index f6605dac4..40904b6ec 100644
--- a/Telegram/SourceFiles/export/data/export_data_types.h
+++ b/Telegram/SourceFiles/export/data/export_data_types.h
@@ -189,6 +189,7 @@ UserpicsSlice ParseUserpicsSlice(
 struct User {
 	ContactInfo info;
 	Utf8String username;
+	int32 id;
 	bool isBot = false;
 	bool isSelf = false;
 
diff --git a/Telegram/SourceFiles/export/output/export_output_json.cpp b/Telegram/SourceFiles/export/output/export_output_json.cpp
index 03b487864..ab0749b3b 100644
--- a/Telegram/SourceFiles/export/output/export_output_json.cpp
+++ b/Telegram/SourceFiles/export/output/export_output_json.cpp
@@ -219,7 +219,7 @@ QByteArray SerializeMessage(
 
 	if (message.media.content.is<UnsupportedMedia>()) {
 		return SerializeObject(context, {
-			{ "id", NumberToString(message.id) },
+			{ "id", Data::NumberToString(message.id) },
 			{ "type", SerializeString("unsupported") }
 		});
 	}
@@ -271,7 +271,7 @@ QByteArray SerializeMessage(
 	};
 	const auto push = [&](const QByteArray &key, const auto &value) {
 		if constexpr (std::is_arithmetic_v<std::decay_t<decltype(value)>>) {
-			pushBare(key, NumberToString(value));
+			pushBare(key, Data::NumberToString(value));
 		} else {
 			const auto wrapped = QByteArray(value);
 			if (!wrapped.isEmpty()) {
@@ -288,6 +288,7 @@ QByteArray SerializeMessage(
 	const auto pushFrom = [&](const QByteArray &label = "from") {
 		if (message.fromId) {
 			pushBare(label, wrapUserName(message.fromId));
+			pushBare(label+"_id", Data::NumberToString(message.fromId));
 		}
 	};
 	const auto pushReplyToMsgId = [&](
@@ -640,6 +641,7 @@ Result JsonWriter::writePersonal(const Data::PersonalInfo &data) {
 	return _output->writeBlock(
 		prepareObjectItemStart("personal_information")
 		+ SerializeObject(_context, {
+		{ "user_id", Data::NumberToString(data.user.id) },
 		{ "first_name", SerializeString(info.firstName) },
 		{ "last_name", SerializeString(info.lastName) },
 		{
@@ -745,6 +747,7 @@ Result JsonWriter::writeSavedContacts(const Data::ContactsList &data) {
 			}));
 		} else {
 			block.append(SerializeObject(_context, {
+				{ "user_id", Data::NumberToString(contact.userId) },
 				{ "first_name", SerializeString(contact.firstName) },
 				{ "last_name", SerializeString(contact.lastName) },
 				{
@@ -789,6 +792,7 @@ Result JsonWriter::writeFrequentContacts(const Data::ContactsList &data) {
 			}();
 			block.append(prepareArrayItemStart());
 			block.append(SerializeObject(_context, {
+				{ "id", Data::NumberToString(top.peer.id()) },
 				{ "category", SerializeString(category) },
 				{ "type", SerializeString(type) },
 				{ "name",  StringAllowNull(top.peer.name()) },
@@ -981,6 +985,8 @@ Result JsonWriter::writeDialogStart(const Data::DialogInfo &data) {
 	}
 	block.append(prepareObjectItemStart("type")
 		+ StringAllowNull(TypeString(data.type)));
+	block.append(prepareObjectItemStart("id")
+		+ Data::NumberToString(data.peerId));
 	block.append(prepareObjectItemStart("messages"));
 	block.append(pushNesting(Context::kArray));
 	return _output->writeBlock(block);