As a mobile user, I love it that I can also cache other user's shared folders and Public Folder Favorites.

However, some of these users are true packrats and some of these Public Folder Favorites are huge archives. The result is that my ost-file is really large (nearing 20GB) and makes my laptop slow since it doesn't have a high performance SSD drive. I'm also starting to run out of disk space as I only have a 120GB disk in my laptop.

Aside from investing in a fast new disk or telling my colleagues to clean up, what else can I do?

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When I try to send a message with some attachments, I get the warning that my message is too big to be sent.

How can I increase the attachment size limit?

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I organize my Contacts folder by Category. Each time when I access that folder, every Category group is expanded, no matter how carefully I compress the Category groups or arrange them.

I prefer to have some Category groups always expanded and others always collapsed.

Is there any way to keep these Category groups collapsed?

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By default, whenever I create a hyperlink, Outlook turns the text color into blue and underlines it.

This is of course very recognizable but also not very modern as most web designs no longer underline hyperlinks. I’m also simply a bit bored with the blue.

Is there any way I can remove this default underline and change the color into for instance our company's color (green)?

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I’ve added my Outlook.com mailbox to Outlook 2013 as an Exchange ActiveSync (EAS) account. In the Navigation Pane, the display mailbox of the mailbox is the full email address of my Outlook.com account.

Because my email address is quite long, it gets truncated with “…”. Preferably, I just want it to show my first name since it is my personal account.

Is there any way I can rename or otherwise shorten this mailbox name?

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I've got a single Exchange mailbox which holds multiple email addresses. I can receive mail sent to any of these addresses just fine, but I cannot find a way to choose which address to send out with.

I've tried setting the From field with another address but that got automatically replaced with my default address or a bounce message saying that I don't have permission to do so.

How can I send out a message with one of my mailbox aliases?

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I’ve added my Outlook.com account as an Exchange Active Sync (EAS) account to Outlook.

All folders synched except for the Drafts folder which appears as “Drafts (This computer only)”.

How can I make it sync and use the Drafts folder of Outlook.com?

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When I was still using Outlook 2007, I could back up my AutoComplete cache by copying the nk2-file and then reuse it on another computer.

Now that I’m on Office 365, I no longer have this file but the AutoComplete feature still works.

Where is the AutoComplete being cached now and how can I back it up in a way that I can also restore it in the future when needed?

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I’ve already added the Holidays to Outlook but I was wondering if I could also easily add other special days and sport schedules to my Calendar.

For instance, I’d like to add the moon phases, the Formula 1 calendar and a countdown to the end of the year.

Can I do this?

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When using the Save, Open, Attach File and Insert Picture dialogs in Outlook (and other Office applications), I usually need to browse quite a bit to actually get to the location where I want to be.

Would it be possible to add shortcuts to my own locations in these dialogs?

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