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Knowledgebase
(26)Popular
Can I run multiple instances of eM Client? Can I have Mail and Calendar in separate windows?
Is there a server-side search for IMAP and Exchange/Office365 accounts in eM Client?
Can I manage all my attachments in a single place? What is the All Attachments view? PRO
(82)Getting Started
How to move my eM Client data to a new computer?
How to install eM Client?
How to import my old data to eM Client?
(85)Features
How do Conversations work in eM Client?
What are "Local Folders" in eM Client?
What are "Favorites"? (former Smart Folders)
(8)For admins
Can I apply startup parameters to eM Client?
What size capacity does eM Client have?
Minimum system requirements
(16)Licensing
What is the difference between a Pro license and a Free license?
I have my eM Client license - how can I activate it?
How to check if there's an eM Client update available?
(105)Troubleshooting
Why is my Outlook/Hotmail/MSN/Live account not synchronizing or really slow?
I upgraded to eM Client 8 and now my data is missing. What to do now?
A folder in eM Client shows unread messages even though there are none?

Why isn’t the search function in eM Client working as expected?
The release of eM Client 8 has brought enhanced search capabilities, including searching in the text of attachments and on IMAP and Exchange/Office365 servers. Sometimes though, searching through the mail server does not return correct/expected results, s...
What happened to the progress bar in the bottom left corner of eM...
Most users nowadays have high-speed internet connections and therefore an explicit progress bar for sending messages was no longer necessary in Version 8. However, if you still want to monitor the progress of your sent emails and updating folders, you c...
Unauthorized License Detected warning while using valid license
The UNAUTHORIZED LICENSE DETECTED warning should show up if you are using an illegal version of eM Client, which is detected by your System checking eM Client's program file signatures. Recently, some users encountered this warning even with a valid progr...
Google account cannot connect in eM Client - password required
In June 2022 Google discontinued their support for less secure login methods for their email accounts. The solution to this is to set up your account anew using the secure OAuth method. Please read more here: Google 'less secure apps' access and what it m...
How to turn off automatic update check?
When a new official update is ready, eM Client will offer you an 'Automatic update' next time you run it. We recommend installing the update but if you don't have the time and would prefer to install it later, you can click the '_Later_' button and choose...
Most popular articles 
 
  1. Why is my Outlook/Hotmail/MSN/Live account not synchronizing or r...
  2. I upgraded to eM Client 8 and now my data is missing. What to do ...
  3. A folder in eM Client shows unread messages even though there are...
  4. My Apple calendar shows a problem with 'outbox'
  5. How to move my eM Client data to a new computer?
  6. How do Conversations work in eM Client?
  7. Are IMAP folders case-sensitive in eM Client?
  8. How to install eM Client?
  9. How to import my old data to eM Client?
  10. What is the difference between a Pro license and a Free license?
  11. I have my eM Client license - how can I activate it?
  12. How to check if there's an eM Client update available?
  13. What is eM Client's update model?
  14. How to setup eM Client with my email account?
  15. What mail services does eM Client support?
  16. What is the difference between the IMAP and POP?
  17. How to change the backup interval? And how to schedule the backup...
  18. How to customize the toolbar?
  19. How to report an issue with eM Client?
  20. I have lost my eM Client activation key, how can I retrieve it?
  21. I have activated my license on a second computer and my other com...
  22. How to use Mass Mail in eM Client? PRO
  23. How to set which account is used as default in eM Client?
  24. How does the automatic account setup work?
  25. Can I setup the account manually if I need to?
  26. Can I synchronize my calendar, contacts or tasks too?
  27. What are "Local Folders" in eM Client?
  28. What are "Favorites"? (former Smart Folders)
  29. How to change the database location?
  30. How to set rules in eM Client?
  31. How to edit shortcuts in eM Client?
  32. How to use the search in eM Client?
  33. How to delete an account in eM Client?
  34. How to change the account order in the left panel?
  35. How to setup a default reminder on my calendar?
  36. I have duplicate emails, contacts, events or tasks - how do I get...
  37. How to export data out of eM Client?
  38. How to archive my emails using eM Client?
  39. eM Client is suggesting my database is missing or is corrupted, h...
  40. Why do I have multiple copies of a message in Favorite folders?
  41. Why am I missing some emails when I use the search feature in eM ...
  42. Yahoo - Why can't I see my subfolders when I synchronize my accou...
  43. Why is there a constant certificate warning showing on start?
  44. What is the difference between setting up a POP3 account in a sep...
  45. How to configure a Skype account using eM Client?
  46. How to configure a Facebook account using eM Client?
  47. How to setup an alias in eM Client?
  48. Why can't I see my messages right after I open eM Client?
  49. I'm seeing red triangle warning, how can I get rid of it?
  50. New window requires me to login to my Gmail account through a bro...
  51. Uploading contact or event failed, what do I do?
  52. What languages is the application available in?
  53. How to run the application in Offline Mode?
  54. Does eM Client include SPAM filter options?
  55. How to use search folders in eM Client?
  56. Can I use variables in eM Client using the Mass Mail feature? PRO
  57. I purchased eM Client Pro license, how do I replace my Free one?
  58. Why can't I export my data into a PST file from eM Client?
  59. How to create or adjust my own eM Client theme?
  60. Gmail - All of my messages are marked as Important, how to stop i...
  61. Gmail - How to set my account as POP?
  62. How to remove email address or domain from Blacklist in eM Client...
  63. How does 'Send Later' work in eM Client? PRO
  64. I cannot activate eM Client license on Windows XP.
  65. How to setup a calendar account in eM Client?
  66. How to setup a contacts account in eM Client?
  67. eM Client runs in a strange language, how to change it?
  68. How to change the name connected to my license? Or update my regi...
  69. My DEMO expired and eM Client stopped working - what do I do?
  70. Can I move between the left-side menu items using my keyboard?
  71. Can I import my rules from MS Outlook?
  72. How to add an internet calendar in eM Client?
  73. Can I zoom in or out of a message in eM Client?
  74. How to copy the Operations log in eM Client?
  75. Can I apply startup parameters to eM Client?
  76. Gmail - Why do I need to synchronize the All Mail folder?
  77. How to make a local copy of my messages?
  78. What size capacity does eM Client have?
  79. Can I limit email synchronization to only a selected time period ...
  80. Can I change the order of Conversations?
  81. How to get eM Client to connect through my proxy?
  82. Gmail - My label colors are not synchronized, how to resolve it?
  83. How to set up Automatic replies?
  84. I changed my preferred font but messages are still written in def...
  85. What is the difference between Archive feature and Automatic Arch...
  86. How to import data from Eudora?
  87. How to export contacts into a CSV file in eM Client?
  88. How to change my own email account avatar?
  89. BT Internet folder download issue - SELECT command bug
  90. NTLM authentication for Exchange accounts not supported for macOS
  91. Can I run multiple instances of eM Client? Can I have Mail and Ca...
  92. Is there a server-side search for IMAP and Exchange/Office365 acc...
  93. Can I manage all my attachments in a single place? What is the Al...
  94. Can I attach large attachments as a link via a Cloud storage like...
  95. What is a swipe gesture and how can I use it?
  96. What is the Favorites feature in eM Client?
  97. Does eM Client support Notes? PRO
  98. What are the account avatars? Are these visible to my contacts?
  99. What are Tags in eM Client?
  100. How to search in attachments in eM Client?
  101. What is the Watch for reply? How can I get a reminder for a messa...
  102. OAuth login for Microsoft Office 365 / EWS accounts
  103. How can I downgrade back to eM Client 8, eM Client 7 or older?
  104. I see a red triangle next to my account name after upgrade to eM ...
  105. How to upgrade to eM Client 9? Do I need to pay for it?
  106. What happens after my free 30-day trial of eM Client 9 Pro expire...
  107. The folder/inbox spacing is too big, can I make it smaller?
  108. I just upgraded to eM Client 8. Where did all my folders/subfolde...
  109. Why don’t your instructions/documentation match eM Client’s inter...
  110. Why isn’t the search function in eM Client working as expected?
  111. What happened to the progress bar in the bottom left corner of eM...
  112. How to remove suggested email addresses when composing a message?
  113. The meeting/event reminders keep popping up every 5 minutes, how ...
  114. My eM Client is running very slow since the Version 8 update. Why...
  115. Why are my calendar event reminders in eM Client not working?
  116. Google Contacts Error, Execution of request failed (Invalid reque...
  117. Uploaded Public Key not Verified
  118. Why am I getting a message that a maximum number of allowed trans...
  119. Why has my recurring task changed to a non-recurring one on my Go...
  120. Why am I missing the content of my distribution lists?
  121. How to save email as PDF in eM Client?
  122. How to use the one-click archive function for any IMAP account (n...
  123. Minimized left pane view with an elementary functionality - how d...
  124. Can I search in eM Client's settings?
  125. Can I easily view today's events in the mail window?
  126. Are server rules supported in eM Client?
  127. What is the Snooze feature in eM Client?
  128. What is eM Keybook?
  129. What is the Encryption during the initial account setup for in eM...
  130. Minimum system requirements
  131. Installation of eM Client
  132. Deployment of eM Client
  133. eM Client setup and migration
  134. eM Client's License manager
  135. eM Client Restrictions
  136. eM Client is having trouble with a connection to the license serv...
  137. I purchased eM Client business licenses; how can I manage them?
  138. How to backup eM Client database to transfer all my data to anoth...
  139. How to change the reply-to address in eM Client?
  140. Google Contacts synchronization failed - Contacts API is being de...
  141. How to view a message as HTML or Plain text in eM Client?
  142. GoDaddy OAuth setup - Your browser is unusual
  143. How to plan an Online meeting in eM Client?
  144. How to show shared folders and calendars for Exchange?
  145. How to subscribe to Exchange Public folders?
  146. My license reached maximum activations, what does it mean?
  147. Problems with Microsoft outlook.com accounts using IMAP in eM Cli...
  148. RetrieveLicenseXml failed
  149. IMAP error 'User is authenticated but not connected'
  150. eM Client 9 - How to mark messages as read/unread in the message ...
  151. eM Client 9 - How to disable or resize avatars in message list?
  152. eM Client 9 - How to assign more than one tag at once?
  153. Notification error 'Communication with the previous instance fail...
  154. Exchange/Office365 server signatures are not working
  155. eM Client 9 for macOS - messages not loading
  156. Unauthorized License Detected warning while using valid license
  157. Google account cannot connect in eM Client - password required
  158. Where are the arrows showing if an email was replied to or forwar...
  159. How to turn off automatic update check?
Newest articles 
 
  1. Why is my Outlook/Hotmail/MSN/Live account not synchronizing or r...
  2. I upgraded to eM Client 8 and now my data is missing. What to do ...
  3. A folder in eM Client shows unread messages even though there are...
  4. My Apple calendar shows a problem with 'outbox'
  5. How to move my eM Client data to a new computer?
  6. How do Conversations work in eM Client?
  7. Are IMAP folders case-sensitive in eM Client?
  8. How to install eM Client?
  9. How to import my old data to eM Client?
  10. What is the difference between a Pro license and a Free license?
  11. I have my eM Client license - how can I activate it?
  12. How to check if there's an eM Client update available?
  13. What is eM Client's update model?
  14. How to setup eM Client with my email account?
  15. What mail services does eM Client support?
  16. What is the difference between the IMAP and POP?
  17. How to change the backup interval? And how to schedule the backup...
  18. How to customize the toolbar?
  19. How to report an issue with eM Client?
  20. I have lost my eM Client activation key, how can I retrieve it?
  21. I have activated my license on a second computer and my other com...
  22. How to use Mass Mail in eM Client? PRO
  23. How to set which account is used as default in eM Client?
  24. How does the automatic account setup work?
  25. Can I setup the account manually if I need to?
  26. Can I synchronize my calendar, contacts or tasks too?
  27. What are "Local Folders" in eM Client?
  28. What are "Favorites"? (former Smart Folders)
  29. How to change the database location?
  30. How to set rules in eM Client?
  31. How to edit shortcuts in eM Client?
  32. How to use the search in eM Client?
  33. How to delete an account in eM Client?
  34. How to change the account order in the left panel?
  35. How to setup a default reminder on my calendar?
  36. I have duplicate emails, contacts, events or tasks - how do I get...
  37. How to export data out of eM Client?
  38. How to archive my emails using eM Client?
  39. eM Client is suggesting my database is missing or is corrupted, h...
  40. Why do I have multiple copies of a message in Favorite folders?
  41. Why am I missing some emails when I use the search feature in eM ...
  42. Yahoo - Why can't I see my subfolders when I synchronize my accou...
  43. Why is there a constant certificate warning showing on start?
  44. What is the difference between setting up a POP3 account in a sep...
  45. How to configure a Skype account using eM Client?
  46. How to configure a Facebook account using eM Client?
  47. How to setup an alias in eM Client?
  48. Why can't I see my messages right after I open eM Client?
  49. I'm seeing red triangle warning, how can I get rid of it?
  50. New window requires me to login to my Gmail account through a bro...
  51. Uploading contact or event failed, what do I do?
  52. What languages is the application available in?
  53. How to run the application in Offline Mode?
  54. Does eM Client include SPAM filter options?
  55. How to use search folders in eM Client?
  56. Can I use variables in eM Client using the Mass Mail feature? PRO
  57. I purchased eM Client Pro license, how do I replace my Free one?
  58. Why can't I export my data into a PST file from eM Client?
  59. How to create or adjust my own eM Client theme?
  60. Gmail - All of my messages are marked as Important, how to stop i...
  61. Gmail - How to set my account as POP?
  62. How to remove email address or domain from Blacklist in eM Client...
  63. How does 'Send Later' work in eM Client? PRO
  64. I cannot activate eM Client license on Windows XP.
  65. How to setup a calendar account in eM Client?
  66. How to setup a contacts account in eM Client?
  67. eM Client runs in a strange language, how to change it?
  68. How to change the name connected to my license? Or update my regi...
  69. My DEMO expired and eM Client stopped working - what do I do?
  70. Can I move between the left-side menu items using my keyboard?
  71. Can I import my rules from MS Outlook?
  72. How to add an internet calendar in eM Client?
  73. Can I zoom in or out of a message in eM Client?
  74. How to copy the Operations log in eM Client?
  75. Can I apply startup parameters to eM Client?
  76. Gmail - Why do I need to synchronize the All Mail folder?
  77. How to make a local copy of my messages?
  78. What size capacity does eM Client have?
  79. Can I limit email synchronization to only a selected time period ...
  80. Can I change the order of Conversations?
  81. How to get eM Client to connect through my proxy?
  82. Gmail - My label colors are not synchronized, how to resolve it?
  83. How to set up Automatic replies?
  84. I changed my preferred font but messages are still written in def...
  85. What is the difference between Archive feature and Automatic Arch...
  86. How to import data from Eudora?
  87. How to export contacts into a CSV file in eM Client?
  88. How to change my own email account avatar?
  89. BT Internet folder download issue - SELECT command bug
  90. NTLM authentication for Exchange accounts not supported for macOS
  91. Can I run multiple instances of eM Client? Can I have Mail and Ca...
  92. Is there a server-side search for IMAP and Exchange/Office365 acc...
  93. Can I manage all my attachments in a single place? What is the Al...
  94. Can I attach large attachments as a link via a Cloud storage like...
  95. What is a swipe gesture and how can I use it?
  96. What is the Favorites feature in eM Client?
  97. Does eM Client support Notes? PRO
  98. What are the account avatars? Are these visible to my contacts?
  99. What are Tags in eM Client?
  100. How to search in attachments in eM Client?
  101. What is the Watch for reply? How can I get a reminder for a messa...
  102. OAuth login for Microsoft Office 365 / EWS accounts
  103. How can I downgrade back to eM Client 8, eM Client 7 or older?
  104. I see a red triangle next to my account name after upgrade to eM ...
  105. How to upgrade to eM Client 9? Do I need to pay for it?
  106. What happens after my free 30-day trial of eM Client 9 Pro expire...
  107. The folder/inbox spacing is too big, can I make it smaller?
  108. I just upgraded to eM Client 8. Where did all my folders/subfolde...
  109. Why don’t your instructions/documentation match eM Client’s inter...
  110. Why isn’t the search function in eM Client working as expected?
  111. What happened to the progress bar in the bottom left corner of eM...
  112. How to remove suggested email addresses when composing a message?
  113. The meeting/event reminders keep popping up every 5 minutes, how ...
  114. My eM Client is running very slow since the Version 8 update. Why...
  115. Why are my calendar event reminders in eM Client not working?
  116. Google Contacts Error, Execution of request failed (Invalid reque...
  117. Uploaded Public Key not Verified
  118. Why am I getting a message that a maximum number of allowed trans...
  119. Why has my recurring task changed to a non-recurring one on my Go...
  120. Why am I missing the content of my distribution lists?
  121. How to save email as PDF in eM Client?
  122. How to use the one-click archive function for any IMAP account (n...
  123. Minimized left pane view with an elementary functionality - how d...
  124. Can I search in eM Client's settings?
  125. Can I easily view today's events in the mail window?
  126. Are server rules supported in eM Client?
  127. What is the Snooze feature in eM Client?
  128. What is eM Keybook?
  129. What is the Encryption during the initial account setup for in eM...
  130. Minimum system requirements
  131. Installation of eM Client
  132. Deployment of eM Client
  133. eM Client setup and migration
  134. eM Client's License manager
  135. eM Client Restrictions
  136. eM Client is having trouble with a connection to the license serv...
  137. I purchased eM Client business licenses; how can I manage them?
  138. How to backup eM Client database to transfer all my data to anoth...
  139. How to change the reply-to address in eM Client?
  140. Google Contacts synchronization failed - Contacts API is being de...
  141. How to view a message as HTML or Plain text in eM Client?
  142. GoDaddy OAuth setup - Your browser is unusual
  143. How to plan an Online meeting in eM Client?
  144. How to show shared folders and calendars for Exchange?
  145. How to subscribe to Exchange Public folders?
  146. My license reached maximum activations, what does it mean?
  147. Problems with Microsoft outlook.com accounts using IMAP in eM Cli...
  148. RetrieveLicenseXml failed
  149. IMAP error 'User is authenticated but not connected'
  150. eM Client 9 - How to mark messages as read/unread in the message ...
  151. eM Client 9 - How to disable or resize avatars in message list?
  152. eM Client 9 - How to assign more than one tag at once?
  153. Notification error 'Communication with the previous instance fail...
  154. Exchange/Office365 server signatures are not working
  155. eM Client 9 for macOS - messages not loading
  156. Unauthorized License Detected warning while using valid license
  157. Google account cannot connect in eM Client - password required
  158. Where are the arrows showing if an email was replied to or forwar...
  159. How to turn off automatic update check?