File manager
Summary
![]() |
The File manager allows you to upload files to your site references. These are used to customise the appearance of your Payment Pages or notification emails sent by MyST to your company or customers. |
![]() |
Site admin |
![]() |
Files are configured separately for each site reference you have access to. Select your site from the “Sites” page and click the “File manager” icon. |
The File manager
The File manager page allows you to upload files to your site reference(s). We use these files to customise the appearance and behaviour of your Payment Pages and/or emails we send on your behalf.
Using this page, you can view any files that have already been uploaded to your site reference(s), upload more files and delete existing ones:

Selecting a site reference
Files are assigned to one of your site references. To change the site reference you are working with, use the drop-down at the top of the page:
Uploading a file
Drag and drop the files into the upload panel, or alternatively, click this area to select the files for upload manually. Uploading starts immediately.

css, email, eot, gif, html, jpeg, jpg, js, png, svg, ttf, woff, woff2
When uploading text files (e.g. CSS, JS), these must be encoded in UTF-8 or ASCII
The maximum size of a file is 1024kb.
Files cannot be empty.
As each file is uploaded, a green tick appears to each file to indicate the upload was successful:
If there has been a problem with uploading any of your files, a red cross appears. Hover your cursor over the file for the reason why the upload failed.
The list of files already uploaded will be displayed on the lower part of the page under the “Files for <your site name>” tab:


Using a company logo in customer email notifications (including Pay by Link)
In order to use a company logo in customer email notifications (including Pay by Link), upload an image file via the File manager. When uploading the image, it must have the filename of “emaillogo” (e.g. emaillogo.png).
The suported file types for a company logo are:
- gif
- jpeg
- jpg
- png
- svg
Deleting and Downloading
Files can be deleted or downloaded from the file list.Once you have selected a sitereference, uploaded files will appear on the lower part of the page.
To select a file, tick the checkbox next to the filename.
You can select/deselect all files by clicking the checkbox in the header row (top-left of the table).
Deleting Files
Once you have completed your selection, click the “Delete” button.

Downloading Files
Once you have completed your selection, click the “Download” button.
The file(s) are downloaded in a zip file. You can edit the files and re-upload them with any changes you make.
Rule managerAccounts