To resolve the performance issues of MS Outlook in Office 365 environment, certain manual methods or techniques can be followed to overcome slow interface and other barriers.

1. Outlook’s Performance
In
Office 365 Environment

2. Problems with Outlook in Office 365
There can be more than one reasons for the performance of Outlook to slow
down with Microsoft Office 365.
The various cases can be:
●
Outlook responding slowly when you try to open or send a E-mail message.
●
Your messages getting stuck in the Outbox folder even after sending.
●
Outlook responding slowly to your request for inserting attachments.
●
Error messages like: “Outlook is retrieving information from the server”
STUCK

3. Causes for Such Issues in Outlook
These issues can occur in your Outlook application because of the following
reasons:
●
There can be a Exchange Online server issue.
●
A Local server creating problem in the network.
●
A Firewall or an anti-virus interfering with your Outlook that works fine with
office 365 but not with Outlook.
●
You are using a local proxy server which is not able to support office 365 thus
Outlook.

4. How to Solve this Issue?
To resolve your Problem of Outlook with Office 365, try out the following
methods:
●
You have to make sure that your Outlook is installed with the latest update
i.e., in accordance to Office 365 which could be Outlook 2016 or 2013.
You can refer to Microsoft for such informations in order to update your
Outlook or install a updated version.
●
You need to determine if too many of mail items like e-mails, contacts, tasks,
journals, etc., are located in the e-mail account’s critical data folders or in a
cached mode file folders of OST , PST Data files.
The limit for Outlook 2016 and 2013 is 100,000 items per folder and 500
folders total.
Cont...

5. ●
If you have folders exceeding the limit, try moving data items from large
folders to new smaller folders to manage and maintain your PST data files.
Can also archive your data items which are not in use. As a bigger PST file will
make Outlook slow during the start-up time.
●
Similarly is the case with Outlook Data file, OST which is used when Outlook
is connected with exchange. So if your OST file is larger than the required
size, it will take up more time to upload on the server than the usual time.
●
Managing your PST or OST files can be easy as you can either split them into
various folders accordingly and thus archiving the undesired folders all
together. Or you can delete the irrelevant data from your folders and
decreasing the size of your Outlook data files manually so as to obtain space.
Cont...

6. ●
Also, If you are having Skype for Business Online and your Outlook being
integrated with skype in your Office 365 environment, then this integrity
might affect the performance of Outlook. You need to disable your skype to
let Outlook Function properly.
Thus by following such methods you can make you Outlook perform better in
a 365 environment effectively and sufficiently.

7. THANK YOU