Switch Outlook Working Offline to Online Mode

Microsoft Outlook helps users to send and receive emails from your computer. Also, it is an email software supported by Microsoft. Outlook helps users to work both in offline and online mode. If users are working in an offline mode then they will not be able to send and receive new emails. This problem forces users to switch from Outlook working offline to online. Also, the online mode helps to send and receive old and new emails.

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Reasons to Switch from Outlook Working Offline to Online

  • When you are working offline, it causes errors in the PST file or can crash the PST files. This can make you switch from Outlook working offline turn online.
  • You can not send and receive the new emails that can make you switch from Outlook 2016 offline to online.
  • Also, when you synchronize an OST format file (.ost) in Outlook using the mail server. It will give you an error and cannot open the corrupt OST file.
  • When there are too many files and folders working in the offline mode, that can lead to some performance issues.
  • Large size PSt files can stop the working of Outlook. It can demand to update the Outlook application.

These are the reasons that lead to the switch from Outlook working offline to online. Moreover, you can refer to the methods that I have mentioned below to solve this problem.

Methods to Switch Outlook From Offline to Online

How to use Offline Mode?

  • First, you have to launch the Outlook desktop client.
  • Now, you can go to send/receive options and then click on Work offline to reconnect.
  • After that, if the Work offline button is founded to be shaded in the background, then it states that you are not connected to the internet.
  • Once, you see Outlook Running, then you have to check the Quick Launch taskbar.
  • Now, if you see a Cross sign on the Outlook icon. This indicates that Outlook is working in the offline mode.
  • You can now check the status by looking at the Status Bar option.
  • At last, if you are connected to the internet then the Status bar will display your Connected status.

Here, you can follow the above-mentioned steps to switch from Outlook working offline to online

Also, if you are not able to switch to online Outlook mode then you can refer to another solution mentioned below.

Still Cannot Switch MS Outlook Offline to Online

  • First, you have to click on the Send and Receive tab and then choose the Work Offline option and then check the working status.
  • Now, you can open any Office application and then click on the File option,
  • After that, click on the Account option. You can now select the office option under the product information tab.
  • You can now make a New profile. Click on FILE and then select the Account setting option.
  • After that, click on the profile that you want to remove from Outlook and then click on the Remove option. 
  • At last, you can add the account by clicking on the File option and then select Add Account.

After following the above steps, you can switch  Outlook from offline to online. Moreover, there are some limitations to these solutions. You can refer to them as mentioned below.


  • Your email account gets changed when you switch Outlook working offline to online.
  • If you are sending the emails using web apps, then there is a limit to message size ie. 10 MB.
  • It is a time-consuming process as you have to remember various steps.
  • A non-technical person can only perform these steps under complete guidance.

Here, users cannot open a corrupt OST file. Also, when users synchronize an OST format file (.ost) in Outlook using the mail server. It will show an error. To overcome this cause, we recommend a third-party OST to PST Converter solution. It will help users to open the corrupt OST file and then convert the file into the PST format.

Professional DRS OST to PST Converter Solution

DRS OST to PST Converter helps to convert OST to PST and many more file formats such as MSG, MBOX, etc. The free OST to PST converter can export all mailbox items like emails, attachments, etc. Also, users can convert large size OST files without any restriction to file size.

Users can also find any OST file in the system by using the Outlook OST to PST.


Above, we have mentioned a few reasons and then provided some solutions to overcome the problem of why users switch from Outlook working offline to online. Each solution is mentioned in a step-by-step manner. After performing these solutions, there were some limitations founded such you cannot open a corrupted OST file. To overcome these limitations, we have mentioned an expert solution ie. Best OST to PST Converter.

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