Tutorials

Convert Excel to PDF

Convert Excel files to PDFs

In order to convert an Excel file to PDF format, you don’t need a special programme. Within the Office application itself, Excel files can be easily saved or exported as a PDF. This is convenient because PDF files are smaller in file size and thus easier to share online. This article shows you how to convert your documents.

Excel DATEDIF function

Excel: The DATEDIF function explained

Microsoft Excel has many functions that help you produce calculations, statistics, and tables. Some of these functions do not even make it into the official list in the software. DATEDIF is one of those hidden functions that can help you calculate periods of time. The result can be shown in days, months or years. We’ll explain how it works.

MongoDB tutorial: first steps

MongoDB tutorial: installation and setup

MongoDB is a document-based database system that competes with the more traditional relational systems. The setup and configuration is comparable to classics like MySQL, making it fairly straightforward to switch over. So how do you save and call up data with this modern software? Our MongoDB tutorial will explain the installation process and first steps to get you started on this open source...

Open and restore a TMP file

Open or restore a TMP file: How it works

Temporary files with the extension are used by many different programs, including the operating system. If you come across cache files that are seemingly no longer used, you can open the respective TMP file to check its content. The following guide explains why there’s no standardised tool for this and how to open TMPs.

Google Chrome: Dark mode

Google Chrome: Dark mode available from Version 74 onwards

Google Chrome’s dark mode, also known as Chrome night mode, is available from Version 74 of the browser onwards and can be enabled on all devices. You can use Chrome dark mode on all computers running Windows or macOS operating systems, as well as on smartphones running iOS or Android. It can be enabled manually or automatically.

Windows CMD commands

Windows command prompt: CMD commands explained

There are more than 200 CMD commands available with Windows. The command prompt can be used to control large parts of the operating system, computer, or drives. You can also use the Windows “command prompt” commands to organise your files or run network tasks. To do this, though, you have to know the right commands. Here we explain how to use CMD commands and which functions they have. Our article...

Deleting your Facebook account

How to delete your Facebook account: a step-by-step guide

Recent scandals with Facebook’s data protection policies have left many users feeling betrayed by the social networking giant, which has been facing accusations of failing to protect personal information from third-party use. Deleting your Facebook account is the best and most permanent way to protect your data from prying eyes. So how exactly is it done? This guide walks you through the steps to...

Telnet – the system-wide remote protocol

What is telnet?

Remote access to remote computer systems has always been a part of well-organised networks. Administrators can manage individual users as well as work on the move since a remote connection enables access to company data. One of the first protocols developed specifically for this purpose was Telnet.

How to split your screen on Mac

Split a screen on Mac – here’s how

The function to split a screen on a Mac desktop or a MacBook provides a convenient way to view and work on two open applications simultaneously. In order to split a screen on Mac, you only need to follow a few simple steps. The opened applications can then be viewed next to one another.

The most useful Photoshop shortcuts

The most useful Photoshop shortcuts

Endless clicking through the many menus when working with Photoshop is a major disadvantage for users of the photo editing software giant. But thanks to certain Photoshop shortcuts, users have the option of employing keyboard combinations to skip straight to certain actions. We’ve compiled the best of these Photoshop tricks for Windows and Mac OS here.


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