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Error: The specified domain either does not exist or could not be contacted

Problem: You get the following error message when using CodeTwo software: The specified domain either does not exist or could not be contacted. Solution: This error is related to your environment and the way your system manage (ID:775)

How to make sure CodeTwo User Photos for Office 365 supports TLS 1.2

Problem: Starting 31 October 2018, Microsoft makes TLS 1.2 the default security protocol in Office 365. TLS 1.0 and 1.1 still work, but Microsoft does not provide support in case of connection or compatibility issues. This article exp (ID:761)

How to troubleshoot EWS connection by using EWSEditor

Problem: You get errors when you use CodeTwo software to connect to (or execute a specific action upon) a mailbox or public folder via the Exchange Web Services (EWS) protocol. Solution: To verify if an error is related to CodeTwo  (ID:749)

Problems related to Sender Policy Framework (SPF)

Problem: You experience problems related to Sender Policy Framework (SPF) TXT records configured for your domain. For example, your emails are treated as spam or junk by Exchange Online Protection (EOP). Solution: The correct co (ID:716)

Troubleshooting problems with installation of applications from outside the Windows Store

Problem: Windows 10 does not allow you to install CodeTwo software and displays a warning window (Fig. 1.) with the following error message: You can only install apps from the Windows Store. Limiting installations to apps from the  (ID:715)

Troubleshooting problems with emails and email signatures on mobile devices

Problem: You experience various problems with signatures and email layout when you send emails from mobile devices. For example, when you use a mobile device to reply to / forward a message that includes images and formatting, the layout (ID:683)

How to fix problems with emails encrypted by Azure RMS

Problem: You use Azure Rights Management (Azure RMS) to encrypt your email messages in Office 365. The recipients of these messages cannot access the encrypted content, and the following error is displayed: Sorry, we can't display (ID:671)

Mobile phone numbers are displayed improperly

Problem: The telephone numbers of contacts created in the desktop version of Outlook do not appear correctly on mobile devices, for example the + sign is missing. As a result, you cannot make calls to these contacts from your mobile  (ID:541)

Outlook may not be installed with a newer version of Outlook

Problem: You are not able to install Outlook, and the following error occurs during the process: Microsoft Outlook [2010] may not be installed with a newer version of Outlook. If you continue, Microsoft Outlook [2010] will not be in (ID:422)

Multiple unnecessary folders appear in Outlook folder tree

Problem: In your mailbox, you see many folders named the file so that changes to the file will be reflected in your item, and these files cannot be removed (Fig. 1.). Fig. 1. Multiple copies of the same unwanted folder. Solutio (ID:344)

Using CodeTwo software with Click-to-Run versions of Microsoft Outlook

Problem: You are not able to install CodeTwo software and you receive the following error message: Outlook not detected or No supported version of Microsoft Outlook detected. Install Microsoft Outlook and retry. even th (ID:330)

How to troubleshoot problems with iCloud - Outlook synchronization

Problem: You experience various problems with synchronization between Outlook and iCloud. Solution: The synchronization failures can happen in various scenarios. The most common issues are listed below. Problems after upgradi (ID:271)

How to uninstall a CodeTwo product if it is not possible from the Control Panel

Problem: You are not able to uninstall a CodeTwo product following the standard removal procedure. Solution: There may be multiple reasons to that, for example the installation files are corrupted, Windows registry is broken, etc. (ID:193)

How to avoid getting the error dialog box: The item could not be saved because it has been changed

Problem: From time to time, when modifying an item in Personal Folders in Outlook, the following error appears: The item could not be saved because it has been changed by another user or in another window. Do you want to make a copy in  (ID:100)

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Improve your business email signatures in Microsoft 365 – advanced examples of use

In one of our previous blogs, we shared some of the most essential ways of using email signatures in business. Now, we would like to dive even deeper into the features of CodeTwo Email Signatures for Office 365. If you would like to learn how to set up and automate multi-language email signatures, use signatures [...]

CodeTwo now provides all-web signature management with new HTML editor

CodeTwo Email Signatures for Office 365 now comes with a new web-based signature management interface. You can manage email signature rules and design signature templates on all devices and platforms (Windows, Mac, Android, iOS, and more) using a web browser. It’s all in the cloud, so you don’t need to download or install anything. The [...]

CodeTwo solutions recognized in G2 Spring 2021 Reports

Spring 2021 has come, and with it the new quarterly G2 awards for the best software. Three CodeTwo software solutions were highly acclaimed by G2 users in their reviews and earned several G2 awards, including the Leader award in the Email Signature Software category and the Best Support award. Receiving kudos for our products and [...]

World’s first email signature Web Add-in for Outlook on the web and Outlook desktop is powered by CodeTwo

CodeTwo is the first email signature software vendor to release a modern signature Web Add-in that integrates with both Outlook for Windows and Outlook on the web (OWA)! We’ve once again worked closely with the Microsoft Outlook Add-in Team and implemented their latest API into our signature service to provide seamless multi-platform integration (support for [...]

CodeTwo included in Gartner’s 2021 Market Guide for Cloud Office Migration Tools

CodeTwo has been named Representative Vendor by Gartner and our migration tool for Microsoft 365 has been included in Gartner’s 2021 Market Guide for Cloud Office Migration Tools. This is the third time in a row that we receive such recognition, and we’re proud that CodeTwo Office 365 Migration is still acknowledged as one of [...]

All-web interface coming to CodeTwo Email Signatures for Office 365

We’ve got some amazing news to share. We are nearing completion on the new version of CodeTwo Email Signatures for Office 365 that will offer an all-web experience. It will soon be possible to manage signature rules and use the Signature template editor directly from a web browser. This means CodeTwo Email Signatures for Office [...]

CodeTwo gets Forbes Diamond Award for 2021

We are proud to announce that CodeTwo was given Forbes Diamond Award and included in the Polish edition of the Forbes magazine in their Forbes Diamonds 2021 ranking. The “diamond list” consists of 15k fastest growing companies in Poland that also maintain high credibility and reliability scores. We were awarded in the category of companies [...]

Professional email signatures for business – essential tips for CodeTwo users

As a business owner or a person responsible for promoting your brand, you’re well aware that email signatures are essential in everyday business communication. They drive brand recognition, generate leads, promote your company’s products or services, and can even help your company stay compliant with various legal obligations. CodeTwo Email Signatures for Office 365 is [...]

Using gender pronouns in email signatures

Gender pronouns are becoming an essential part of every professional email communication and companies now tend to include gender information in their email signature policy. In this article we’ll highlight the importance of gender pronouns and show you how to use them in email signatures in your organization. The importance of gender pronouns Pronouns in [...]

Direct Teams link in an email signature

What information should an email signature contain? It is customary that a professional email signature has your full name, your position in the organization as well as contact information. Usually, the contact details are your email address, telephone number and the company’s website. But there is so much more you can (and should) add. We [...]

CodeTwo solutions awarded in G2 Winter 2021 Reports

We are very happy to inform you that CodeTwo products are once again listed as the top solutions in the Winter 2021 rankings published by G2, one of the major independent software and services review platforms. CodeTwo Email Signatures for Office 365 and CodeTwo Office 365 Migration received a total of 13 awards this season! [...]

Happy Holidays from CodeTwo – Microsoft Teams edition

Can you enjoy festive celebrations while having a video conference with your colleagues? You betcha! All you need is: presents, a Christmas tree (Christmas lights are ok, too), Santa’s hats, one of the Magi (three’s a crowd), cameras (you didn’t expect that, right?), and Yoda… or a Space Shuttle. Or both. Because why not! We [...]

Conversational Microsoft 365 Migrations – 6th edition now available and free to download

If you are facing the daunting task of migrating your on-premises Exchange organization to the cloud, there is a book we can wholeheartedly recommend that will help you in the process. The book we’re talking about is Conversational Microsoft 365 Migrations by J. Peter Bruzzese (an 8-time Microsoft Office 365 MVP) and it is now [...]

Update to the CodeTwo Exchange Rules software family – OAuth 2.0 support and more

If you are using our software to manage email signatures and disclaimers in Exchange, then this news is for you. We released a new version of the following products from the CodeTwo Exchange Rules family: CodeTwo Exchange Rules Pro CodeTwo Exchange Rules 2019 CodeTwo Exchange Rules 2016 CodeTwo Exchange Rules 2013 The new version brings [...]

New tool: CodeTwo Exchange Rules Converter

Great news for all admins using CodeTwo Exchange Rules and Exchange Rules Pro to manage their email signatures. We’ve just released CodeTwo Exchange Rules Converter. The tool lets you easily migrate email signature rules and designs defined in the CodeTwo Exchange Rules product family to CodeTwo Email Signatures for Office 365. If you follow the [...]

CodeTwo recognized as Leader on G2

G2, a leading review platform for business software and services, has released its Fall 2020 quarterly market reports based on user ratings. We are excited to inform you that the highest ratings given to CodeTwo solutions have been noticed by G2’s Research team, who awarded us with eleven accolades for CodeTwo Email Signatures for Office [...]

CodeTwo showcases game-changing update to client-side signatures at Microsoft Ignite

[Update]: This blog post was updated on January 04, 2021 to include information on beta testing and global release. As mentioned earlier, CodeTwo’s CEO, Szymon Szczesniak, is showcasing our major upcoming feature for CodeTwo Email Signatures for Office 365 at Microsoft Ignite 2020. It’s a new Web Add-in, developed together with Microsoft, that will work [...]

CodeTwo at Microsoft Ignite 2020 – a world premiere of our new amazing feature

Microsoft Ignite 2020 is just around the corner and we have some very exciting things planned for the event. We’ll be joining a session hosted by Microsoft during which we will present a brand new feature for our flagship product, CodeTwo Email Signatures for Office 365. We can’t reveal much just yet, but we know [...]

CodeTwo backup tools update – support for OAuth 2.0 and archive mailboxes

Version 2.3.x of CodeTwo Backup (CodeTwo Backup for Office 365 and CodeTwo Backup for Exchange) is now available. Together with the usual improvements in performance and stability (you can expect less throttling), the new release also includes some great new features: support for Modern Authentication (OAuth 2.0), backup and restore of archive mailboxes, shared mailboxes [...]

Conditional placeholders – a new feature in CodeTwo Email Signatures for Office 365

The latest update to CodeTwo Email Signatures for Office 365 brings a new functionality to the program’s built-in signature template editor – conditional placeholders. Unlike regular placeholders, which are filled with senders’ information pulled from Azure AD (such as name, job position, phone number, etc.) or message properties, conditional placeholders can be used to add [...]

Manage inbox rules in Office 365 and Outlook on the web

Inbox rules in Office 365 (or Microsoft 365, if you like the newer name better) help users and admins make Outlook a better place. They can be employed to fight distractions, get things organized, block unwanted correspondence or automatically forward selected emails. With the never-ending onslaught of information that flows into Outlook, they are invaluable. [...]

How to create a no-reply mailbox in Microsoft 365

No-reply email addresses are useful in many scenarios, like sending notifications from transaction systems, shipping progress information, etc. In the case of such messages, you do not expect any user feedback and most of them are generated and sent automatically. Even though you cannot stop users from sending emails to a no-reply address, you can [...]

Mailbox size in Microsoft 365 (Office 365)

Microsoft 365 (or to be more precise, Exchange Online) has certain mailbox size limits. Those limits depend on two variables: the subscription plan assigned to the mailbox and the mailbox type. This article shows what the maximum mailbox size is, how to increase mailbox size, how to check the current mailbox usage for all mailboxes [...]

What to do if you cannot create an app password in Microsoft 365

Some applications and services for Microsoft 365 (for example, Skype for Business) use app passwords as an authentication method when multi-factor authentication (MFA) is enabled. The problem is that after enabling MFA for the organization, some or even all users may not be able to create and use app passwords. This article shows what you [...]

How to send an HTML message in reply to a plain text email

If you have ever received a plain text email, you will know the message format will remain the same when you reply to it or forward it. Because of that, you won't be able to add hyperlinks, formatting and images to your email. What's more, instead of your carefully designed HTML email signature, the recipient [...]

How to create and manage Microsoft 365 security groups

Microsoft 365 security groups, formerly known as Office 365 security groups, allow admins to easily manage access to e.g. SharePoint sites by grouping together users that require identical permissions. This way you only need to assign access once for the entire group, not for each user individually. In this article, we will show you how [...]

How to set up out of office replies in Office 365

Out of office messages in Office 365 (let’s assume Office 365 = Microsoft 365, to make things easier) are an extremely useful thing. Not everyone knows though that this simple automatic reply is more than just an email. In this article, I’ll quickly go over the basics: what out of office message in Office 365 [...]

End of Mainstream Support for Exchange 2016

End of Mainstream Support for Exchange 2016 is planned for October 13, 2020. It means that 5 years after its release, this on-premises server enters the Extended Support period. The end of extended support (or end of life) for Exchange Server 2016 is planned for October 14, 2025. Read on to learn how this affects [...]

Blocking basic authentication in Office 365 (Microsoft 365)

The article was updated on February 25, 2021 Due to the Covid-19 pandemic, there was a huge change of plans concerning disabling basic authentication in Microsoft 365 (for connections to Exchange Online). The complete shutdown has been postponed indefinitely. While it gives organizations much more time to prepare, it’s a good idea to get tenants [...]

VBScript: create an HTML Outlook email signature for the whole company

In one of my previous articles, I’ve shown how to create simple email signatures in Outlook using VBScript. In this article, I will show you how to take your email signatures to a higher level. I will use VBScript to create an HTML email signature for every Outlook (for Windows) installation in your organization. The [...]

Manage student profile pictures in Microsoft 365, Teams, Outlook and more

As the digital transformation increasingly affects education, IT administrators in schools all over the world have their hands busier than ever. With limited time available to get everything ready for online classes and modern communication between teachers, students and parents, every second matters. One of the challenges IT administrators have to face when working with [...]

How to block access to your Exchange Online organization using Client Access Rules

Client Access Rules in Exchange Online are rules that you can use to control which client connections are allowed and not allowed to access your Exchange Online organization. They let you define the conditions based on various properties of a client. These can be, for example, the protocol they use to connect, their IP address [...]

How to recover user emails in Microsoft 365

If you are a Microsoft 365 administrator, it’s only a matter of time before you are tasked with restoring deleted emails (or other mailbox items). While you can use eDiscovery to recover deleted items, there is an easier way which lets you restore deleted items straight back to where they originated from. Below, I’ll describe [...]

How to prevent users from changing profile photos in Microsoft 365

Update: This post was updated on July 22, 2020. When you set up user photos in Microsoft 365 (Office 365), they propagate through the whole Microsoft 365 tenant and apps integrated with Azure AD. This means that they are displayed in Outlook, Teams, SharePoint, and more. By default, any user can change their photo to [...]

SBS 2011 to Microsoft 365 migration

SBS (Small Business Server) 2011 is basically Windows Server 2008 R2 packed together with Exchange 2010 into a single suite. As such, you would expect migrating SBS 2011 to Microsoft 365 (Office 365) to be similar to migrating Exchange 2010 to Office 365. As it turns out, there are some differences that impact the migration [...]

Export Microsoft 365 mailboxes to PST with PowerShell

Exporting Microsoft 365 mailbox content to PST is usually used for litigation purposes. However, it also works as a workaround for backup, archiving and migration. In a previous article, I’ve shown you how to use this mechanism with the eDiscovery tool. This article demonstrates how to produce similar results using PowerShell and New-ComplianceSearch cmdlet (with [...]

How to quickly check installed software versions

There are situations where you need to check whether you or your users have certain software installed, and what is its version. You may want to check if the software is up to date or if your GPO-deployed software has been installed for a certain user. I’ll show you several methods you can use to [...]

How to add user photos to Office 365 without PowerShell

When users can see each other’s photos, online conversations and collaboration become more personal. In large organizations, the reason for using photos may be even more pragmatic. It may be the only way for people to actually see who they are talking with. This is why companies want to display users’ photographs in Office 365 [...]

New-ComplianceSearch: how to use the newer version of Search-Mailbox

[Update]: This blog post was updated on April 3, 2020. As announced in this Microsoft article, the date for retirement of legacy eDiscovery tools is moved from April 1, 2020 to July 1, 2020. That is when Search-Mailbox cmdlet will no longer be available. This means that all scripts using Search-Mailbox need to be rewritten [...]

How to back up Exchange Online mailboxes

The question should no longer be whether to back up Exchange Online mailboxes or not, but how to do it. It’s no secret that your Office 365 data isn’t a responsibility of neither Microsoft nor any Office 365 services provider. To make sure your Exchange Online mailbox data is available and recoverable at all times, you [...]