Compress Microsoft Outlook For Mac

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Compress Outlook Mail File
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Compress Outlook Email

To work around this issue, use a compression utility to add the.eml file to an archive. Then, attach the archive file to the Outlook for Mac email message, and send the message. Note On Mac, you can use the Compress option on the File menu in Finder. Now you’ve identified the Outlook for Mac data folders, you can compress them. HFS+ Compression with Outlook 2016 for Mac. Our tests of HFS+ compression saved 9GB of disk space from 20GB of Outlook data – a whopping 47% improvement. Here’s the results of some folder HFS+ compression.

How to compact data (pst/ost) files in Outlook?

For a long time Microsoft Outlook’s data files (pst/ost file) may have taken up huge space in your computer. Apart from mailbox cleanup by emptying deleted items folders, you can release the occupied space by compacting data files. This article will show you how to compact data file (pst/ost data files) in Microsoft Outlook.

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The following steps will guide you to compact data (pst/ost) files in Microsoft Outlook.

Step 1: Open the Account Settings dialog box:

In Outlook 2007, please click the Tools > Account Settings;
In Outlook 2010 and 2013, please click the File > Info > Account Settings > Account Settings.

Step 2: In the Account Settings dialog box,

Click the Data Files tab;
Click to highlight a data file that you will compact later;
Click the Settings button.

Step 3: If you select a pst data file in Step 2, please skip to the Step 4.

If you select an Exchange account’s ost data file in Step 2, the Microsoft Exchange dialog box will come out. Please check the Use Cached Exchange Mode box and then click the Outlook Data File Settings button (or Offline Folder File Settings button in Outlook 2007) on the Advanced tab in this dialog box. But if the selected ost data file is not from the Exchange account, please skip to the Step 4.

Step 4: In the new popping up dialog box, please click the Compact Now button.

Step 5: Click all OK buttons and Close button.

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Without any effort user can easily recover OST file with help of eSoftTools OST t to PST converter software. This tool is capable to convert any OST file to different platforms such as PST, EML, MBOX, CSV, vCard, MSG, HTML and Office 365. It helps to recover all OST files data contact, emails, contacts, chats, notes, journals.
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I think MS Outlook users can try Stellar Phoenix Compact PST. It is completely free for 15 days.

Mailbox Full: Your mailbox is full, you may not be able to send or receive items.

As an Outlook user, you may be familiar with this message. With the accumulation of emails, the Outlook mailbox grows in size. And users often neglect or forget this fact. They notice it only after getting the ‘Mailbox Full’ error message while trying to access the mailbox.

What you can do to reduce the size of Outlook mailbox?

In order to send and receive emails without issues, it’s necessary to reduce the size of Outlook mailbox. Deleting some emails and attachments would be the easiest way to do this. But this alone is not enough to cope with the situation. That is why Microsoft has provided some inbuilt features in Outlook to deal with the ‘Full Mailbox’ situation. Also, some third-party Outlook management tools are extremely helpful in this regard.

Instant Solution

Try an automated tool Kernel for PST Compress & Compact to remove unused and unwanted space from the PST files and reduce the large PST file

A few simple ways to reduce mailbox size are:

Delete large Outlook emails and attachments
Use Mailbox Cleanup utilities
Compress the Outlook data file (PST)
Archive older PST file items
Try third-party Outlook management tools like Compress PST, Split PST, Remove Duplicates, Attachment Management

Delete large Outlook emails and attachments

Deleting large emails, undoubtedly, is the wisest technique. Rather than randomly deleting large-sized files, you can follow a systematic approach to manage Outlook attachments . The steps are:

Open Outlook. In the folder list, click Search folder, then select New Search folder.
Scroll down the list and under Organizing Mail, select Large mail. Click Choose under Customize Search Folder.
Specify a size in the ‘Show mail greater than’ box (for example 6000 KB). Click OK to continue.
Click OK again and a folder named ‘Larger Than 6000 KB’ is created under Search Folders. This newly created folder will get updated with the mails of size more than 6000 KB automatically.

When you face mailbox size issues, just go to the Search Folders. There, click on the newly created folder, and delete your mails which are not so important. If you need, you can save the attachments to your drive before deleting it (by right-clicking on the attachment and then clicking ‘Save As’ or ‘Save All’ option). Continue doing this, until the mailbox has enough space for new emails.

Use Mailbox Cleanup Tools

You can trim the size of your mailbox using the options in the Outlook Cleanup Tools (you can access it by following File>Info>Cleanup Tools).

Three options are available in the Cleanup Tools dropdown list:

Mailbox Cleanup
Empty Deleted Items Folder
Archive

Using the Mailbox Cleanup Option, you can view your mailbox size/mailbox folder sizes. Also, you can find items larger/older than a specified limit.

Mailbox Cleanup also provides you the facility to archive the older items which are not needed anymore. Click AutoArchive to move your unwanted items to a separate folder automatically. With its advanced options, you can filter the items you need to archive. And you can Browse and select the location where you need to save your archived items.

With the Empty option, you can delete all the items present in the Deleted Items folder permanently. Before that, you can view the deleted folders and subfolders (if any) and their sizes.

Compress Outlook Mail File

Compress the Outlook data file (PST)

In Outlook, Outlook data files can be compressed manually. Compressing files would help in restoring some space in the mailbox. Before starting the procedure, delete the items that are not required. In Navigation pane, right-click the Deleted Items folder and then click Empty ‘Deleted items’ folder. Then follow the steps given:

Launch Outlook. In the File tab, select Account Settings and then click Account Settings.
Click the Data Files tab, select the PST file to compact, and then click Settings.
In Outlook Data File dialogue box, click Compact Now. This is the final step.

Archive older PST file items

Microsoft Outlook includes an AutoArchive feature to archive the old or unrequired PST file items to a separate PST file on the system hard drive which users can make use of whenever required. Let us know the steps to perform this.

Launch your Microsoft Outlook application.
Move to Files>Options>Advanced.
Navigate to the AutoArchive section on the panel and click AutoArchive Settings under it.
Now select the checkbox saying Run AutoArchive every days and provide the number of days as an interval for regular automatic archiving process.
Provide opther options like deleting old items, etc. and finally click on AutoArchive.

Note: You can archive items manually from PST file mailbox as well.

Try third-party Outlook management tools

With third-party tools, it is easy to manage the size of Outlook mailboxes. Tools are available to compress and compact PST files, to remove duplicate items from mailboxes, and even to split large PST files. Some favorite tools for Outlook management are:

- Kernel for PST Compress & Compact
  This tool compresses and compacts Outlook PST files to reduce their size. It clears unnecessarily space so that new data can be saved. Compress PST tool also removes attachments from emails and saves them to a separate folder.

- Kernel for Outlook Duplicates Remover
  This tool helps users to remove Outlook duplicate items from mailbox folders. It uses advanced filters to detect duplicate items.

Kernel for PST Split
This tool helps to split large-sized PST files into small PST files. It splits files based on criteria like Date, Size, etc. Even password-protected PST files can be split using this split PST tool.

Third-party tools for Outlook management have many advantages of manual methods. They are more reliable, efficient, and fast compared to manual methods.

Conclusion