diff --git a/src/java/davmail/exchange/ExchangeSession.java b/src/java/davmail/exchange/ExchangeSession.java
index 07dbb9f3..f260761b 100644
--- a/src/java/davmail/exchange/ExchangeSession.java
+++ b/src/java/davmail/exchange/ExchangeSession.java
@@ -2672,7 +2672,7 @@ public abstract class ExchangeSession {
                     || line.indexOf(']') == -1)) {
             }
             if (line != null) {
-                int start = line.toLowerCase().indexOf('[') + 1;
+                int start = line.indexOf('[') + 1;
                 int end = line.indexOf(']', start);
                 result = line.substring(start, end);
             }
diff --git a/src/java/davmail/exchange/VCalendar.java b/src/java/davmail/exchange/VCalendar.java
index 93ffdb8f..d6ee9aad 100644
--- a/src/java/davmail/exchange/VCalendar.java
+++ b/src/java/davmail/exchange/VCalendar.java
@@ -305,6 +305,14 @@ public class VCalendar extends VObject {
         return property.getValue().equalsIgnoreCase("mailto:" + email);
     }
 
+    /**
+     * Return VTimezone object
+     * @return VTimezone
+     */
+    public VObject getVTimezone() {
+        return vTimezone;
+    }
+
     /**
      * Convert X-CALENDARSERVER-ACCESS to CLASS.
      * see http://svn.calendarserver.org/repository/calendarserver/CalendarServer/trunk/doc/Extensions/caldav-privateevents.txt
diff --git a/src/java/davmail/exchange/VObject.java b/src/java/davmail/exchange/VObject.java
index 08cb21ce..0d946eae 100644
--- a/src/java/davmail/exchange/VObject.java
+++ b/src/java/davmail/exchange/VObject.java
@@ -55,7 +55,7 @@ public class VObject {
         type = beginProperty.getValue();
         String endLine = "END:" + type;
         String line = reader.readLine();
-        while (line != null && !endLine.equals(line)) {
+        while (line != null && !line.startsWith(endLine)) {
             handleLine(line, reader);
             line = reader.readLine();
         }
diff --git a/src/java/davmail/exchange/ews/EWSMethod.java b/src/java/davmail/exchange/ews/EWSMethod.java
index d6ce8603..902e7677 100644
--- a/src/java/davmail/exchange/ews/EWSMethod.java
+++ b/src/java/davmail/exchange/ews/EWSMethod.java
@@ -88,8 +88,8 @@ public abstract class EWSMethod extends PostMethod {
     /**
      * Build EWS method
      *
-     * @param itemType   item type
-     * @param methodName method name
+     * @param itemType               item type
+     * @param methodName             method name
      * @param responseCollectionName item response collection name
      */
     public EWSMethod(String itemType, String methodName, String responseCollectionName) {
@@ -374,7 +374,7 @@ public abstract class EWSMethod extends PostMethod {
 
     protected void writeIndexedPageItemView(Writer writer) throws IOException {
         if (maxCount > 0) {
-            writer.write("<m:IndexedPageItemView MaxEntriesReturned=\""); 
+            writer.write("<m:IndexedPageItemView MaxEntriesReturned=\"");
             writer.write(String.valueOf(maxCount));
             writer.write("\" Offset=\"0\" BasePoint=\"Beginning\"/>");
         }
@@ -404,7 +404,8 @@ public abstract class EWSMethod extends PostMethod {
     }
 
     /**
-     * Get Exchange server version, Exchange2010 or Exchange2007_SP1 
+     * Get Exchange server version, Exchange2010 or Exchange2007_SP1
+     *
      * @return server version
      */
     public String getServerVersion() {
@@ -413,6 +414,7 @@ public abstract class EWSMethod extends PostMethod {
 
     /**
      * Set Exchange server version, Exchange2010 or Exchange2007_SP1
+     *
      * @param serverVersion server version
      */
     public void setServerVersion(String serverVersion) {
@@ -447,13 +449,19 @@ public abstract class EWSMethod extends PostMethod {
             writer.write(type);
             writer.write(">");
             for (Map.Entry<String, String> mapEntry : this.entrySet()) {
-                writer.write("<t:");
-                writer.write(mapEntry.getKey());
-                writer.write(">");
-                writer.write(StringUtil.xmlEncode(mapEntry.getValue()));
-                writer.write("</t:");
-                writer.write(mapEntry.getKey());
-                writer.write(">");
+                if ("MeetingTimeZone".equals(mapEntry.getKey())) {
+                    writer.write("<t:MeetingTimeZone TimeZoneName=\"");
+                    writer.write(StringUtil.xmlEncode(mapEntry.getValue()));
+                    writer.write("\"></t:MeetingTimeZone>");
+                } else {
+                    writer.write("<t:");
+                    writer.write(mapEntry.getKey());
+                    writer.write(">");
+                    writer.write(StringUtil.xmlEncode(mapEntry.getValue()));
+                    writer.write("</t:");
+                    writer.write(mapEntry.getKey());
+                    writer.write(">");
+                }
             }
             if (mimeContent != null) {
                 writer.write("<t:MimeContent>");
@@ -801,7 +809,7 @@ public abstract class EWSMethod extends PostMethod {
                 while (reader.hasNext()) {
                     reader.next();
                     handleErrors(reader);
-                    if (serverVersion == null && isStartTag(reader,"ServerVersionInfo")) {
+                    if (serverVersion == null && isStartTag(reader, "ServerVersionInfo")) {
                         String majorVersion = getAttributeValue(reader, "MajorVersion");
                         if ("14".equals(majorVersion)) {
                             serverVersion = "Exchange2010";
diff --git a/src/java/davmail/exchange/ews/EwsExchangeSession.java b/src/java/davmail/exchange/ews/EwsExchangeSession.java
index d2b75527..0c9176d3 100644
--- a/src/java/davmail/exchange/ews/EwsExchangeSession.java
+++ b/src/java/davmail/exchange/ews/EwsExchangeSession.java
@@ -22,6 +22,7 @@ import davmail.exception.DavMailAuthenticationException;
 import davmail.exception.DavMailException;
 import davmail.exception.HttpNotFoundException;
 import davmail.exchange.ExchangeSession;
+import davmail.exchange.VCalendar;
 import davmail.http.DavGatewayHttpClientFacade;
 import davmail.util.IOUtil;
 import davmail.util.StringUtil;
@@ -30,7 +31,9 @@ import org.apache.commons.httpclient.HttpMethod;
 import org.apache.commons.httpclient.HttpStatus;
 import org.apache.commons.httpclient.methods.GetMethod;
 
+import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -604,7 +607,7 @@ public class EwsExchangeSession extends ExchangeSession {
         GetFolderMethod getFolderMethod = new GetFolderMethod(BaseShape.ID_ONLY, folderId, FOLDER_PROPERTIES);
         executeMethod(getFolderMethod);
         EWSMethod.Item item = getFolderMethod.getResponseItem();
-        Folder folder = null;
+        Folder folder;
         if (item != null) {
             folder = buildFolder(folderId.mailbox, item);
             folder.folderPath = folderPath;
@@ -1135,7 +1138,60 @@ public class EwsExchangeSession extends ExchangeSession {
 
     @Override
     protected void loadVtimezone() {
-        throw new UnsupportedOperationException();
+        String timezoneId = getTimezoneidFromOptions();
+        try {
+            deleteFolder("davmailtemp");
+            createCalendarFolder("davmailtemp", null);
+            EWSMethod.Item item = new EWSMethod.Item();
+            item.type = "CalendarItem";
+            item.put("MeetingTimeZone", timezoneId);
+            CreateItemMethod createItemMethod = new CreateItemMethod(MessageDisposition.SaveOnly, SendMeetingInvitations.SendToNone, getFolderId("davmailtemp"), item);
+            executeMethod(createItemMethod);
+            item = createItemMethod.getResponseItem();
+            VCalendar vCalendar = new VCalendar(getContent(new ItemId(item)), email, null);
+            this.vTimezone = vCalendar.getVTimezone();
+            // delete temporary folder
+            deleteFolder("davmailtemp");
+        } catch (IOException e) {
+            LOGGER.warn("Unable to get VTIMEZONE info: " + e, e);
+        }
+    }
+
+    protected static final String TMZN = "tblTmZn";
+
+    protected String getTimezoneidFromOptions() {
+        String result = null;
+        // get user mail URL from html body
+        BufferedReader optionsPageReader = null;
+        GetMethod optionsMethod = new GetMethod("/owa/?ae=Options&t=Regional");
+        try {
+            DavGatewayHttpClientFacade.executeGetMethod(httpClient, optionsMethod, false);
+            optionsPageReader = new BufferedReader(new InputStreamReader(optionsMethod.getResponseBodyAsStream()));
+            String line;
+            // find email
+            //noinspection StatementWithEmptyBody
+            while ((line = optionsPageReader.readLine()) != null
+                    && (line.indexOf(TMZN) == -1)) {
+            }
+            if (line != null) {
+                int start = line.indexOf("oV=\"") + 4;
+                int end = line.indexOf('\"', start);
+                result = line.substring(start, end);
+            }
+        } catch (IOException e) {
+            LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
+        } finally {
+            if (optionsPageReader != null) {
+                try {
+                    optionsPageReader.close();
+                } catch (IOException e) {
+                    LOGGER.error("Error parsing options page at " + optionsMethod.getPath());
+                }
+            }
+            optionsMethod.releaseConnection();
+        }
+
+        return result;
     }
 
 
@@ -1274,11 +1330,12 @@ public class EwsExchangeSession extends ExchangeSession {
         return contact;
     }
 
+    @Override
     public Map<String, ExchangeSession.Contact> galFind(Condition condition, Set<String> returningAttributes, int sizeLimit) throws IOException {
         Map<String, ExchangeSession.Contact> contacts = new HashMap<String, ExchangeSession.Contact>();
         if (condition instanceof MultiCondition) {
-            List<Condition> conditions = ((MultiCondition) condition).getConditions();
-            Operator operator = ((MultiCondition) condition).getOperator();
+            List<Condition> conditions = ((ExchangeSession.MultiCondition) condition).getConditions();
+            Operator operator = ((ExchangeSession.MultiCondition) condition).getOperator();
             if (operator == Operator.Or) {
                 for (Condition innerCondition : conditions) {
                     contacts.putAll(galFind(innerCondition, returningAttributes, sizeLimit));
@@ -1292,9 +1349,9 @@ public class EwsExchangeSession extends ExchangeSession {
                 }
             }
         } else if (condition instanceof AttributeCondition) {
-            String mappedAttributeName = GALFIND_ATTRIBUTE_MAP.get(((AttributeCondition) condition).getAttributeName());
+            String mappedAttributeName = GALFIND_ATTRIBUTE_MAP.get(((ExchangeSession.AttributeCondition) condition).getAttributeName());
             if (mappedAttributeName != null) {
-                String value = ((AttributeCondition) condition).getValue().toLowerCase();
+                String value = ((ExchangeSession.AttributeCondition) condition).getValue().toLowerCase();
                 Operator operator = ((AttributeCondition) condition).getOperator();
                 String searchValue = value;
                 if (mappedAttributeName.startsWith("EmailAddress")) {
diff --git a/src/test/davmail/exchange/TestExchangeSessionCalendar.java b/src/test/davmail/exchange/TestExchangeSessionCalendar.java
index 4dc2513f..a917057a 100644
--- a/src/test/davmail/exchange/TestExchangeSessionCalendar.java
+++ b/src/test/davmail/exchange/TestExchangeSessionCalendar.java
@@ -86,10 +86,16 @@ public class TestExchangeSessionCalendar extends AbstractExchangeSessionTestCase
       }
 
     public void testSearchCalendar() throws IOException {
-        List<ExchangeSession.Event> events = session.getAllEvents("/users/" + session.getEmail() + "/calendar/test");
+        List<ExchangeSession.Event> events = null;
+        try {
+            events = session.getAllEvents("/users/" + session.getEmail() + "/calendar");
         for (ExchangeSession.Event event:events) {
             System.out.println(event.getBody());
         }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+            throw e;
+        }
     }
 
     public void testGetFreeBusyData() throws IOException, MessagingException {